Introduction To Statistics And Data Analysis
6th Edition
ISBN: 9781337793612
Author: PECK, Roxy.
Publisher: Cengage Learning,
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Textbook Question
Chapter 1.4, Problem 12E
Classify each of the following variables as either categorical or numerical. For those that are numerical, determine whether they are discrete or continuous.
- a. Number of students in a class of 35 who turn in a term paper before the due date
- b. Gender of the next baby born at a particular hospital
- c. Amount of fluid (in ounces) dispensed by a machine used to fill bottles with soda pop
- d. Thickness of the gelatin coating of a vitamin E capsule
- e. Birth order classification (only child, firstborn, middle child, lastborn) of a math major
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For each of the following variables, determine whether the variable is categorical or numerical. If the variable is numerical, determine whether the variable is discrete or continuous.
a. Distance (in miles) from a person's house to the nearest store
b. Favorite smart phone application
c. Number of people living in a household
d. Number of cellphones in the household
e. Length (in minutes) of the longest telephone call made in a month
Question content area bottom
Part 1
a.
Distance (in miles) from a person's house to the nearest store
is what kind of variable?
discrete
numerical
categorical
continuous
numerical
Part 2
b.
Favorite smart phone application
is what kind of variable?
categorical
discrete
numerical
continuous
numerical
Part 3
c.
Number of people living in a household
is what kind of variable?
continuous
numerical variable
categorical
discrete
numerical variable…
Find the areas of the following.
1. Above z = -1.08
2. Below z = -1.08
3. Between z = -1.08
B. Identify whether each variable is discrete or continuous.
1. electricity consumption in kilowatts
2. speed of a car
3. number of blue marbles in a bowl
4. number of tails when tossing a coin five times
5. weights of the professors in a college
6. weekly allowances of grade 11 students
7. heights of grade 11 students
8. length of a rope in meters used by mountain climbers
9. daily tonnage produced by a mining company
10. number of hours a programmer develops a program in JAVA
Chapter 1 Solutions
Introduction To Statistics And Data Analysis
Ch. 1.3 - Give brief definitions of the terms descriptive...Ch. 1.3 - Give brief definitions of the terms population and...Ch. 1.3 - The following conclusion from a study appeared in...Ch. 1.3 - Based on a study of 2 121 children between the...Ch. 1.3 - The student senate at a university with 15,000...Ch. 1.3 - The National Retail Federation used data from a...Ch. 1.3 - The supervisors of a rural county are interested...Ch. 1.3 - A consumer group conducts crash tests of new model...Ch. 1.3 - A building contractor has a chance to buy an odd...Ch. 1.3 - The article Brain Shunt Tested to Treat Alzheimers...
Ch. 1.3 - In a study of whether taking a garlic supplement...Ch. 1.4 - Classify each of the following variables as either...Ch. 1.4 - Classify each of the following variables as either...Ch. 1.4 - For the following numerical variables, state...Ch. 1.4 - For the following numerical variables, state...Ch. 1.4 - For each of the following situations, give a set...Ch. 1.4 - In a survey of 100 people who had recently...Ch. 1.4 - The Gallup report More Americans Say Real Estate...Ch. 1.4 - An article in the New Times San Luis Obispo...Ch. 1.4 - Box Office Mojo (boxofficemojo.com) tracks movie...Ch. 1.4 - The report With Their Whole Lives Ahead of Them...Ch. 1.4 - The following display is a graph similar to one...Ch. 1.4 - The accompanying table gives the total number...Ch. 1.4 - Heal the Bay is an environmental organization that...Ch. 1.4 - The report referenced in the previous exercise...Ch. 1.4 - The U.S. Department of Health and Human Services...Ch. 1.4 - Example 1.5 gave the accompanying data on violent...Ch. 1.4 - The article Fliers Trapped on Tarmac Push for...Ch. 1.4 - The report Trends m Community Colleges...Ch. 1.4 - The article Where College Students Buy Textbooks...Ch. 1.4 - Prob. 31ECh. 1.4 - In the United States, movies are rated by the...Ch. 1 - The report Testing the Waters 2009 (nrdc.org)...Ch. 1 - The U.S. Department of Education reported that 14%...Ch. 1 - The Computer Assisted Assessment Center at the...Ch. 1 - The article Just How Safe Is That Jet? (USA TODAY,...Ch. 1 - Each year, U.S. News and World Report publishes a...Ch. 1 - Many adolescent boys aspire to be professional...
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