Identify each of the following as either descriptive or inferential statistics. a. The average salary of a random sample of 1000 high school teachers in 2019 was P 25000. _________ b. Based on a random sample, it was concluded that the average rent of a apartment in Manila was greater than one in Valenzuela. ____________ c. A study has concluded that the average loaned amount of private employees from a bank has increased from the year 2018 to 20. ____________ d. The average Amazon.com rating of the book The Complete Idiot’s Guide to Statistics by 26 reviewers is 4.6 on a scale of 1 to 5. ____________ e. The average Filipino viewer watches 200 hours of TV per month. ____________ Activity No. 1: Introduction to StatisticsName:CYS:Date:1. Identify each of the following as either descriptive or inferential statistics.a. The average salary of a random sample of 1000 high school teachers in 2019 was P 25000.b. Based on a random sample, it was concluded that the average rent of a apartment in Manila was greater than onein Valenzuela.C. A study has concluded that the average loaned amount of private employees from a bank has increased from theyear 2018 to 20.d. The average Amazon.com rating of the book The Complete Idiot's Guide to Statistics by 26 reviewers is 4.6 on ascale of 1 to 5.e. The average Filipino viewer watches 200 hours of TV per month.2. Determine whether the underlined value is a parameter or a statistic.a. In 2017 national survey on teenager pregnancies, 10% of respondents aged 14 to 17 reported that they have achild before the age of 16 yrs.b. Michael Jordan is one of the legendary basketball players has an average of 30.1 pts, 6.2 rebounds, and 5.3 assistsin 1072 regular season games.c. A study of 1000 adults in public rest rooms (in Metro Manila) found that 30% did not wash their hands beforeexiting.d. Interview of 200 adults 18 years of age or older, conducted nationwide, found that 46% could state the minimumage required for the office of Philippine president.,3. For each of the following variables, determine whether the variable is qualitative or quantitative.a. Name of a hospitalb. Time in hours spent using the social media per weekc. Number of infants born in a monthd. Number of patients admitted in a hospital due to heart attacke. Whether the individual has a health card4. Identify the following as nominal level, ordinal level, interval level, or ratio level data.1. Blood type2. Amount of money in savings accounts3. Students classified by their reading ability: Above average, Below average, Normal4. Letter grades on a practical exam5. Religions6. Commuting times to work7. Ages (in years) of nursing students8. Ice cream flavor preference9. Years of important historical events.10. Instructors classified as: Easy, Difficult or Impossible

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Identify each of the following as either descriptive or inferential statistics. a. The average salary of a random sample of 1000 high school teachers in 2019 was P 25000. _________
b. Based on a random sample, it was concluded that the average rent of a apartment in Manila was greater than one in Valenzuela. ____________
c. A study has concluded that the average loaned amount of private employees from a bank has increased from the year 2018 to 20. ____________
d. The average Amazon.com rating of the book The Complete Idiot’s Guide to Statistics by 26 reviewers is 4.6 on a scale of 1 to 5. ____________ e. The average Filipino viewer watches 200 hours of TV per month. ____________

Activity No. 1: Introduction to Statistics
Name:
CYS:
Date:
1. Identify each of the following as either descriptive or inferential statistics.
a. The average salary of a random sample of 1000 high school teachers in 2019 was P 25000.
b. Based on a random sample, it was concluded that the average rent of a apartment in Manila was greater than one
in Valenzuela.
C. A study has concluded that the average loaned amount of private employees from a bank has increased from the
year 2018 to 20.
d. The average Amazon.com rating of the book The Complete Idiot's Guide to Statistics by 26 reviewers is 4.6 on a
scale of 1 to 5.
e. The average Filipino viewer watches 200 hours of TV per month.
2. Determine whether the underlined value is a parameter or a statistic.
a. In 2017 national survey on teenager pregnancies, 10% of respondents aged 14 to 17 reported that they have a
child before the age of 16 yrs.
b. Michael Jordan is one of the legendary basketball players has an average of 30.1 pts, 6.2 rebounds, and 5.3 assists
in 1072 regular season games.
c. A study of 1000 adults in public rest rooms (in Metro Manila) found that 30% did not wash their hands before
exiting.
d. Interview of 200 adults 18 years of age or older, conducted nationwide, found that 46% could state the minimum
age required for the office of Philippine president.,
3. For each of the following variables, determine whether the variable is qualitative or quantitative.
a. Name of a hospital
b. Time in hours spent using the social media per week
c. Number of infants born in a month
d. Number of patients admitted in a hospital due to heart attack
e. Whether the individual has a health card
4. Identify the following as nominal level, ordinal level, interval level, or ratio level data.
1. Blood type
2. Amount of money in savings accounts
3. Students classified by their reading ability: Above average, Below average, Normal
4. Letter grades on a practical exam
5. Religions
6. Commuting times to work
7. Ages (in years) of nursing students
8. Ice cream flavor preference
9. Years of important historical events.
10. Instructors classified as: Easy, Difficult or Impossible

Statistics that allow for inferences or estimates about the population. Inferential statistics enable analysts come to conclusions about the population based on sample data. Inferential statistics cover the basics of inferential statistics, all kinds of hypotheses tests and their confidence intervals, design of experiments, and statistical power and errors. It also includes point estimation techniques, limit theorems, sampling distributions, approximations, and bounds. Correlation, regression, and association are also covered under inferential statistics to infer relationships between variables.

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