Categorical or quantitative? Identify each of the following variables as categorical or quantitative. a. Number of children in family b. Amount of time in football game before first points scored c. College major (English, history, chemistry,…) d. Type of music (rock, jazz, classical, folk, other)

Question

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Answer 1

Textbook Question

Chapter 2, Problem 90CP

Categorical or quantitative? Identify each of the following variables as categorical or quantitative.

a. Number of children in family
b. Amount of time in football game before first points scored
c. College major (English, history, chemistry,…)
d. Type of music (rock, jazz, classical, folk, other)

a.

Expert Solution

To determine

Identify whether the variable is categorical or quantitative variable.

Answer to Problem 90CP

The variable number of children in family is quantitative variable.

Explanation of Solution

The given variable is that “number of children in family”.

Categorical variables and quantitative variables:

The variables are classified as categorical and quantitative variable. Quantitative variables are those variables that take numerical values while categorical variables do not take numerical values. Therefore, categorical variables are those in which observations belong to one set of categories and quantitative are those variables in which observation are numerical values.

The number of children in family can take values 0, 1, 2… etc. That is, the variable “number of pets in family” can take numerical values. Therefore, number of children in family is quantitative variable.

b.

Expert Solution

To determine

Identify whether the variable is categorical or quantitative variable.

Answer to Problem 90CP

The variable amount of time in football game before first point is quantitative variable.

Explanation of Solution

The given variable is that “amount of time in football game before first point”.

The amount of time in football game before first point can take numerical values. Therefore, amount of time in football game before first point is quantitative variable.

c.

Expert Solution

To determine

Identify whether the variable is categorical or quantitative variable.

Answer to Problem 90CP

The variable college major is categorical variable.

Explanation of Solution

The given variable is that “college major”.

The variable college major includes name of the subjects such as English, history, chemistry, etc. That is, the variable cannot take numerical values these are different subjects. Therefore, the variable college major is categorical variable.

d.

Expert Solution

To determine

Identify whether the variable is categorical or quantitative variable.

Answer to Problem 90CP

The variable type of music is categorical variable.

Explanation of Solution

The given variable is that “type of music”.

The type of music is rock, jazz, classical, folk, and others. That is, the variable types of music do not take numerical values. Therefore, the variable type of music is categorical variable.

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A study was conducted to determine the proportion of people who dream in black and white instead of color. Among 319 people over the age of 55, 65 dream in black and white, and among 296 people under the age of 25, 19 dream in black and white. Use a 0.01 significance level to test the claim that the proportion of people over 55 who dream in black and white is greater than the proportion for those under 25. Complete parts (a) through (c) below.

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Answer 2

Textbook Question

Chapter 2, Problem 90CP

Categorical or quantitative? Identify each of the following variables as categorical or quantitative.

a. Number of children in family
b. Amount of time in football game before first points scored
c. College major (English, history, chemistry,…)
d. Type of music (rock, jazz, classical, folk, other)

a.

Expert Solution

To determine

Identify whether the variable is categorical or quantitative variable.

Answer to Problem 90CP

The variable number of children in family is quantitative variable.

Explanation of Solution

The given variable is that “number of children in family”.

Categorical variables and quantitative variables:

The variables are classified as categorical and quantitative variable. Quantitative variables are those variables that take numerical values while categorical variables do not take numerical values. Therefore, categorical variables are those in which observations belong to one set of categories and quantitative are those variables in which observation are numerical values.

The number of children in family can take values 0, 1, 2… etc. That is, the variable “number of pets in family” can take numerical values. Therefore, number of children in family is quantitative variable.

b.

Expert Solution

To determine

Identify whether the variable is categorical or quantitative variable.

Answer to Problem 90CP

The variable amount of time in football game before first point is quantitative variable.

Explanation of Solution

The given variable is that “amount of time in football game before first point”.

The amount of time in football game before first point can take numerical values. Therefore, amount of time in football game before first point is quantitative variable.

c.

Expert Solution

To determine

Identify whether the variable is categorical or quantitative variable.

Answer to Problem 90CP

The variable college major is categorical variable.

Explanation of Solution

The given variable is that “college major”.

The variable college major includes name of the subjects such as English, history, chemistry, etc. That is, the variable cannot take numerical values these are different subjects. Therefore, the variable college major is categorical variable.

d.

Expert Solution

To determine

Identify whether the variable is categorical or quantitative variable.

Answer to Problem 90CP

The variable type of music is categorical variable.

Explanation of Solution

The given variable is that “type of music”.

The type of music is rock, jazz, classical, folk, and others. That is, the variable types of music do not take numerical values. Therefore, the variable type of music is categorical variable.

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Answer 3

Textbook Question

Chapter 2, Problem 90CP

Categorical or quantitative? Identify each of the following variables as categorical or quantitative.

a. Number of children in family
b. Amount of time in football game before first points scored
c. College major (English, history, chemistry,…)
d. Type of music (rock, jazz, classical, folk, other)

a.

Expert Solution

To determine

Identify whether the variable is categorical or quantitative variable.

Answer to Problem 90CP

The variable number of children in family is quantitative variable.

Explanation of Solution

The given variable is that “number of children in family”.

Categorical variables and quantitative variables:

The variables are classified as categorical and quantitative variable. Quantitative variables are those variables that take numerical values while categorical variables do not take numerical values. Therefore, categorical variables are those in which observations belong to one set of categories and quantitative are those variables in which observation are numerical values.

The number of children in family can take values 0, 1, 2… etc. That is, the variable “number of pets in family” can take numerical values. Therefore, number of children in family is quantitative variable.

b.

Expert Solution

To determine

Identify whether the variable is categorical or quantitative variable.

Answer to Problem 90CP

The variable amount of time in football game before first point is quantitative variable.

Explanation of Solution

The given variable is that “amount of time in football game before first point”.

The amount of time in football game before first point can take numerical values. Therefore, amount of time in football game before first point is quantitative variable.

c.

Expert Solution

To determine

Identify whether the variable is categorical or quantitative variable.

Answer to Problem 90CP

The variable college major is categorical variable.

Explanation of Solution

The given variable is that “college major”.

The variable college major includes name of the subjects such as English, history, chemistry, etc. That is, the variable cannot take numerical values these are different subjects. Therefore, the variable college major is categorical variable.

d.

Expert Solution

To determine

Identify whether the variable is categorical or quantitative variable.

Answer to Problem 90CP

The variable type of music is categorical variable.

Explanation of Solution

The given variable is that “type of music”.

The type of music is rock, jazz, classical, folk, and others. That is, the variable types of music do not take numerical values. Therefore, the variable type of music is categorical variable.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Textbook Question

Chapter 2, Problem 90CP

Categorical or quantitative? Identify each of the following variables as categorical or quantitative.

a. Number of children in family
b. Amount of time in football game before first points scored
c. College major (English, history, chemistry,…)
d. Type of music (rock, jazz, classical, folk, other)

a.

Expert Solution

To determine

Identify whether the variable is categorical or quantitative variable.

Answer to Problem 90CP

The variable number of children in family is quantitative variable.

Explanation of Solution

The given variable is that “number of children in family”.

Categorical variables and quantitative variables:

The variables are classified as categorical and quantitative variable. Quantitative variables are those variables that take numerical values while categorical variables do not take numerical values. Therefore, categorical variables are those in which observations belong to one set of categories and quantitative are those variables in which observation are numerical values.

The number of children in family can take values 0, 1, 2… etc. That is, the variable “number of pets in family” can take numerical values. Therefore, number of children in family is quantitative variable.

b.

Expert Solution

To determine

Identify whether the variable is categorical or quantitative variable.

Answer to Problem 90CP

The variable amount of time in football game before first point is quantitative variable.

Explanation of Solution

The given variable is that “amount of time in football game before first point”.

The amount of time in football game before first point can take numerical values. Therefore, amount of time in football game before first point is quantitative variable.

c.

Expert Solution

To determine

Identify whether the variable is categorical or quantitative variable.

Answer to Problem 90CP

The variable college major is categorical variable.

Explanation of Solution

The given variable is that “college major”.

The variable college major includes name of the subjects such as English, history, chemistry, etc. That is, the variable cannot take numerical values these are different subjects. Therefore, the variable college major is categorical variable.

d.

Expert Solution

To determine

Identify whether the variable is categorical or quantitative variable.

Answer to Problem 90CP

The variable type of music is categorical variable.

Explanation of Solution

The given variable is that “type of music”.

The type of music is rock, jazz, classical, folk, and others. That is, the variable types of music do not take numerical values. Therefore, the variable type of music is categorical variable.

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Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

a.

Expert Solution

To determine

Identify whether the variable is categorical or quantitative variable.

Answer to Problem 90CP

The variable number of children in family is quantitative variable.

Explanation of Solution

The given variable is that “number of children in family”.

Categorical variables and quantitative variables:

The variables are classified as categorical and quantitative variable. Quantitative variables are those variables that take numerical values while categorical variables do not take numerical values. Therefore, categorical variables are those in which observations belong to one set of categories and quantitative are those variables in which observation are numerical values.

The number of children in family can take values 0, 1, 2… etc. That is, the variable “number of pets in family” can take numerical values. Therefore, number of children in family is quantitative variable.

b.

Expert Solution

To determine

Identify whether the variable is categorical or quantitative variable.

Answer to Problem 90CP

The variable amount of time in football game before first point is quantitative variable.

Explanation of Solution

The given variable is that “amount of time in football game before first point”.

The amount of time in football game before first point can take numerical values. Therefore, amount of time in football game before first point is quantitative variable.

c.

Expert Solution

To determine

Identify whether the variable is categorical or quantitative variable.

Answer to Problem 90CP

The variable college major is categorical variable.

Explanation of Solution

The given variable is that “college major”.

The variable college major includes name of the subjects such as English, history, chemistry, etc. That is, the variable cannot take numerical values these are different subjects. Therefore, the variable college major is categorical variable.

d.

Expert Solution

To determine

Identify whether the variable is categorical or quantitative variable.

Answer to Problem 90CP

The variable type of music is categorical variable.

Explanation of Solution

The given variable is that “type of music”.

The type of music is rock, jazz, classical, folk, and others. That is, the variable types of music do not take numerical values. Therefore, the variable type of music is categorical variable.

Answer 8

a.

Expert Solution

To determine

Identify whether the variable is categorical or quantitative variable.

Answer to Problem 90CP

The variable number of children in family is quantitative variable.

Explanation of Solution

The given variable is that “number of children in family”.

Categorical variables and quantitative variables:

The variables are classified as categorical and quantitative variable. Quantitative variables are those variables that take numerical values while categorical variables do not take numerical values. Therefore, categorical variables are those in which observations belong to one set of categories and quantitative are those variables in which observation are numerical values.

The number of children in family can take values 0, 1, 2… etc. That is, the variable “number of pets in family” can take numerical values. Therefore, number of children in family is quantitative variable.

Answer 9

a.

Expert Solution

Answer 10

a.

Expert Solution

Answer 11

Expert Solution

Answer 12

To determine

Identify whether the variable is categorical or quantitative variable.

Answer 13

Answer to Problem 90CP

The variable number of children in family is quantitative variable.

Answer 14

Explanation of Solution

The given variable is that “number of children in family”.

Categorical variables and quantitative variables:

The variables are classified as categorical and quantitative variable. Quantitative variables are those variables that take numerical values while categorical variables do not take numerical values. Therefore, categorical variables are those in which observations belong to one set of categories and quantitative are those variables in which observation are numerical values.

The number of children in family can take values 0, 1, 2… etc. That is, the variable “number of pets in family” can take numerical values. Therefore, number of children in family is quantitative variable.

Answer 15

b.

Expert Solution

To determine

Identify whether the variable is categorical or quantitative variable.

Answer to Problem 90CP

The variable amount of time in football game before first point is quantitative variable.

Explanation of Solution

The given variable is that “amount of time in football game before first point”.

The amount of time in football game before first point can take numerical values. Therefore, amount of time in football game before first point is quantitative variable.

Answer 16

b.

Expert Solution

Answer 17

b.

Expert Solution

Answer 18

Expert Solution

Answer 19

To determine

Identify whether the variable is categorical or quantitative variable.

Answer 20

Answer to Problem 90CP

The variable amount of time in football game before first point is quantitative variable.

Answer 21

Explanation of Solution

The given variable is that “amount of time in football game before first point”.

The amount of time in football game before first point can take numerical values. Therefore, amount of time in football game before first point is quantitative variable.

Answer 22

c.

Expert Solution

To determine

Identify whether the variable is categorical or quantitative variable.

Answer to Problem 90CP

The variable college major is categorical variable.

Explanation of Solution

The given variable is that “college major”.

The variable college major includes name of the subjects such as English, history, chemistry, etc. That is, the variable cannot take numerical values these are different subjects. Therefore, the variable college major is categorical variable.

Answer 23

c.

Expert Solution

Answer 24

c.

Expert Solution

Answer 25

Expert Solution

Answer 26

To determine

Identify whether the variable is categorical or quantitative variable.

Answer 27

Answer to Problem 90CP

The variable college major is categorical variable.

Answer 28

Explanation of Solution

The given variable is that “college major”.

The variable college major includes name of the subjects such as English, history, chemistry, etc. That is, the variable cannot take numerical values these are different subjects. Therefore, the variable college major is categorical variable.

Answer 29

d.

Expert Solution

To determine

Identify whether the variable is categorical or quantitative variable.

Answer to Problem 90CP

The variable type of music is categorical variable.

Explanation of Solution

The given variable is that “type of music”.

The type of music is rock, jazz, classical, folk, and others. That is, the variable types of music do not take numerical values. Therefore, the variable type of music is categorical variable.

Answer 30

d.

Expert Solution

Answer 31

d.

Expert Solution

Answer 32

Expert Solution

Answer 33

To determine

Identify whether the variable is categorical or quantitative variable.

Answer 34

Answer to Problem 90CP

The variable type of music is categorical variable.

Answer 35

Explanation of Solution

The given variable is that “type of music”.

The type of music is rock, jazz, classical, folk, and others. That is, the variable types of music do not take numerical values. Therefore, the variable type of music is categorical variable.