Question 1

A Consumer Reports article about 116 HDTVs list each set's manufacturer,cost,screen size,and type (LCD or plasma).

Accepted Answer

A) Manufacturer,categorical; cost,quantitative,dollars; screen size,quantitative,inches; type,categorical. 
B) Manufacturer,categorical; cost,categorical; screen size,quantitative,inches; type,categorical. 
C) Manufacturer,categorical; cost,quantitative,dollars; screen size,categorical; type,categorical. 
D) Manufacturer,categorical; cost,quantitative,dollars; screen size,quantitative,inches. 
E) Manufacturer,quantitative,year; cost,quantitative,dollars; screen size,categorical. 
A) Manufacturer,categorical; cost,quantitative,dollars; screen size,quantitative,inches; type,categorical. 
B) Manufacturer,categorical; cost,categorical; screen size,quantitative,inches; type,categorical. 
C) Manufacturer,categorical; cost,quantitative,dollars; screen size,categorical; type,categorical. 
D) Manufacturer,categorical; cost,quantitative,dollars; screen size,quantitative,inches. 
E) Manufacturer,quantitative,year; cost,quantitative,dollars; screen size,categorical.

Question 2

The number of people on a jury

Accepted Answer

A) Quantitative 
B) Categorical 
A) Quantitative 
B) Categorical

Question 3

An article comparing the value of several popular Caribbean resorts collected the following data: price per night,amenities (pool,weight room,etc.),whether the resort was all inclusive or not,location (beach,inland,etc.),average room size (square feet),and resort size (acres).

Accepted Answer

A) Price per night,quantitative,dollars; amenities,categorical; all inclusive or not,categorical; location,categorical; average room size,quantitative,square feet; resort size,quantitative,acres. 
B) Price per night,quantitative,dollars; amenities,categorical; all inclusive or not,quantitative,yes or no; location,categorical; average room size,quantitative,square feet. 
C) Price per night,quantitative,dollars; amenities,categorical; all inclusive or not,categorical; location,categorical. 
D) Amenities,categorical; all inclusive or not,categorical; location,quantitative,feet; average room size,quantitative,square feet; resort size,quantitative,acres. 
E) Price per night,categorical; amenities,categorical; all inclusive or not,categorical; location,categorical; average room size,quantitative,square feet; resort size,categorical. 
A) Price per night,quantitative,dollars; amenities,categorical; all inclusive or not,categorical; location,categorical; average room size,quantitative,square feet; resort size,quantitative,acres. 
B) Price per night,quantitative,dollars; amenities,categorical; all inclusive or not,quantitative,yes or no; location,categorical; average room size,quantitative,square feet. 
C) Price per night,quantitative,dollars; amenities,categorical; all inclusive or not,categorical; location,categorical. 
D) Amenities,categorical; all inclusive or not,categorical; location,quantitative,feet; average room size,quantitative,square feet; resort size,quantitative,acres. 
E) Price per night,categorical; amenities,categorical; all inclusive or not,categorical; location,categorical; average room size,quantitative,square feet; resort size,categorical.

Question 4

In an effort to improve the overall health and well-being of its employees,a large corporation distributed a written survey to each of its 1400 employees.Data collected included number of hours worked per week,number of hours spent exercising per week,number of hours spent enjoying hobbies per week,and number of hours spent with family/friends per week.

Accepted Answer

A) Who: 1400 employees; Cases: Each department is a separate case; What: Number of hours spent exercising per week; When: Not specified; Where: Large corporation; Why: To devise a health club plan; How: Through a written survey. 
B) Who: 1400 employees; Cases: Each employee is a separate case; What: Number of hours worked per week,number of hours spent exercising per week,number of hours spent enjoying hobbies per week,and number of hours spent with family/friends per week; When: Not specified; Where: Large corporation; Why: To improve the health and well-being of its employees; How: Through a written survey. 
C) Who: Large corporations; Cases: Each employee is a separate case; What: Number of hours worked per week.; When: Not specified; Where: Large corporation; Why: To improve the health and well-being of its employees; How: Through a written survey. 
D) Who: 1400 employees; Cases: Each employee is a separate case; What: Overall job satisfaction; When: Not specified; Where: Large corporation; Why: To improve the health and well-being of its employees; How: Through an oral survey. 
E) Who: A large corporation; Cases: Each employee is a separate case; What: Overall job satisfaction; When: Not specified; Where: Large corporation; Why: To improve the health and well-being of its employees; How: Through a written survey. 
A) Who: 1400 employees; Cases: Each department is a separate case; What: Number of hours spent exercising per week; When: Not specified; Where: Large corporation; Why: To devise a health club plan; How: Through a written survey. 
B) Who: 1400 employees; Cases: Each employee is a separate case; What: Number of hours worked per week,number of hours spent exercising per week,number of hours spent enjoying hobbies per week,and number of hours spent with family/friends per week; When: Not specified; Where: Large corporation; Why: To improve the health and well-being of its employees; How: Through a written survey. 
C) Who: Large corporations; Cases: Each employee is a separate case; What: Number of hours worked per week.; When: Not specified; Where: Large corporation; Why: To improve the health and well-being of its employees; How: Through a written survey. 
D) Who: 1400 employees; Cases: Each employee is a separate case; What: Overall job satisfaction; When: Not specified; Where: Large corporation; Why: To improve the health and well-being of its employees; How: Through an oral survey. 
E) Who: A large corporation; Cases: Each employee is a separate case; What: Overall job satisfaction; When: Not specified; Where: Large corporation; Why: To improve the health and well-being of its employees; How: Through a written survey.

Question 5

A study on the spending habits of 100 middle income families in Ontario recorded the following data: monthly mortgage bill,monthly utilities bill,monthly food and gas bills,money spent monthly on entertainment,and monthly miscellaneous bills.

Accepted Answer

A) Monthly mortgage bill,quantitative,dollars; monthly utilities bill,quantitative,dollars; monthly food and gas bill,categorical; money spent on entertainment,quantitative,dollars; miscellaneous bills,categorical. 
B) Monthly mortgage bill,quantitative,dollars; monthly utilities bill,quantitative,dollars; monthly food and gas bill,quantitative,dollars; money spent on entertainment,quantitative,dollars; miscellaneous bills,quantitative,dollars. 
C) Monthly mortgage bill,quantitative,money; monthly utilities bill,quantitative,dollars; monthly food and gas bill,quantitative,dollars; money spent on entertainment,categorical; miscellaneous bills,quantitative,dollars; families,categorical. 
D) Monthly mortgage bill,quantitative,dollars; monthly food and gas bill,quantitative,dollars; money spent on entertainment,categorical; miscellaneous bills,quantitative,dollars. 
E) Monthly mortgage bill,quantitative,dollars; monthly utilities bill,quantitative,dollars; monthly food and gas bill,quantitative,dollars. 
A) Monthly mortgage bill,quantitative,dollars; monthly utilities bill,quantitative,dollars; monthly food and gas bill,categorical; money spent on entertainment,quantitative,dollars; miscellaneous bills,categorical. 
B) Monthly mortgage bill,quantitative,dollars; monthly utilities bill,quantitative,dollars; monthly food and gas bill,quantitative,dollars; money spent on entertainment,quantitative,dollars; miscellaneous bills,quantitative,dollars. 
C) Monthly mortgage bill,quantitative,money; monthly utilities bill,quantitative,dollars; monthly food and gas bill,quantitative,dollars; money spent on entertainment,categorical; miscellaneous bills,quantitative,dollars; families,categorical. 
D) Monthly mortgage bill,quantitative,dollars; monthly food and gas bill,quantitative,dollars; money spent on entertainment,categorical; miscellaneous bills,quantitative,dollars. 
E) Monthly mortgage bill,quantitative,dollars; monthly utilities bill,quantitative,dollars; monthly food and gas bill,quantitative,dollars.

Question 6

The colour of your house

Accepted Answer

A) Quantitative 
B) Categorical 
A) Quantitative 
B) Categorical

Question 7

A Ph.D.candidate is collecting data about women in mathematics careers.She interviewed 200 female mathematicians and recorded the following data: number of years attending university,math classes taken in high school (algebra,geometry,etc.),gender of high school math teacher,and high school average (in %).

Accepted Answer

A) Number of years attending university,quantitative,years; math classes taken in high school,categorical; gender of high school math teacher,quantitative,male or female; high school average,categorical. 
B) Number of years attending university,quantitative,years; math classes taken in high school,categorical; gender of high school math teacher,categorical; high school average,quantitative,percentage. 
C) Number of years attending university,quantitative,days; math classes taken in high school,categorical; gender of high school math teacher,categorical; high school average,quantitative,percentage. 
D) Number of years attending university,quantitative,years; math classes taken in high school,categorical; high school average,quantitative,percentage. 
E) Number of years attending university,quantitative,months; math classes taken in high school,quantitative,class; gender of high school math teacher,categorical; high school average,quantitative,percentage. 
A) Number of years attending university,quantitative,years; math classes taken in high school,categorical; gender of high school math teacher,quantitative,male or female; high school average,categorical. 
B) Number of years attending university,quantitative,years; math classes taken in high school,categorical; gender of high school math teacher,categorical; high school average,quantitative,percentage. 
C) Number of years attending university,quantitative,days; math classes taken in high school,categorical; gender of high school math teacher,categorical; high school average,quantitative,percentage. 
D) Number of years attending university,quantitative,years; math classes taken in high school,categorical; high school average,quantitative,percentage. 
E) Number of years attending university,quantitative,months; math classes taken in high school,quantitative,class; gender of high school math teacher,categorical; high school average,quantitative,percentage.

Question 8

The outcome of tossing a coin

Accepted Answer

A) Categorical 
B) Quantitative 
A) Categorical 
B) Quantitative

Question 9

As research for a science class,seventh graders at a grade school in Ontario collected data on weather patterns.For each day in January of 2014,they recorded the high and low temperatures,precipitation,humidity,and wind speed.

Accepted Answer

A) Who: All days in January of 2014; Cases: Each day is a separate case; What: High and low temperatures,precipitation,humidity,and wind speed; When: January 2014; Where: Ontario; Why: Research for a science class; How: Not specified. 
B) Who: Seventh graders; Cases: Each student is a separate case; What: High and low temperatures,precipitation,humidity,and wind speed; When: January 2014; Where: Ontario; Why: Research for a science class; How: Not specified. 
C) Who: All days in January of 2014; Cases: Each student is a separate case; What: High and low temperatures,precipitation,humidity,and wind speed; When: January 2014; Where: Ontario; Why: Research for a science class; How: Watching the weather channel. 
D) Who: All days in January of 2014; Cases: Each day is a separate case; What: High and low temperatures; When: January 2014; Where: Ontario; Why: Research for a science class; How: Watching the weather channel. 
E) Who: Teachers; Cases: Each day is a separate case; What: High and low temperatures,precipitation,humidity,and wind speed; When: January 2014; Where: Grade school; Why: Research for a science class; How: Reading the newspaper weather predictions. 
A) Who: All days in January of 2014; Cases: Each day is a separate case; What: High and low temperatures,precipitation,humidity,and wind speed; When: January 2014; Where: Ontario; Why: Research for a science class; How: Not specified. 
B) Who: Seventh graders; Cases: Each student is a separate case; What: High and low temperatures,precipitation,humidity,and wind speed; When: January 2014; Where: Ontario; Why: Research for a science class; How: Not specified. 
C) Who: All days in January of 2014; Cases: Each student is a separate case; What: High and low temperatures,precipitation,humidity,and wind speed; When: January 2014; Where: Ontario; Why: Research for a science class; How: Watching the weather channel. 
D) Who: All days in January of 2014; Cases: Each day is a separate case; What: High and low temperatures; When: January 2014; Where: Ontario; Why: Research for a science class; How: Watching the weather channel. 
E) Who: Teachers; Cases: Each day is a separate case; What: High and low temperatures,precipitation,humidity,and wind speed; When: January 2014; Where: Grade school; Why: Research for a science class; How: Reading the newspaper weather predictions.

Question 10

Data are always numbers.

Accepted Answer

A) True 
 B)False

Question 11

Individuals can be statistics.

Accepted Answer

A) True 
 B)False

Question 12

Is the statement below a correct use of the word "statistics"? If not,why?
"Don't drink and drive; you don't want to be a statistic."

Accepted Answer

No.Individ

Question 13

A person's political affiliation

Accepted Answer

A) Categorical 
B) Quantitative 
A) Categorical 
B) Quantitative

Exam 1: Stats Starts Here

A Consumer Reports article about 116 HDTVs list each set's manufacturer,cost,screen size,and type (LCD or plasma).

The number of people on a jury

An article comparing the value of several popular Caribbean resorts collected the following data: price per night,amenities (pool,weight room,etc.),whether the resort was all inclusive or not,location (beach,inland,etc.),average room size (square feet),and resort size (acres).

A study on the spending habits of 100 middle income families in Ontario recorded the following data: monthly mortgage bill,monthly utilities bill,monthly food and gas bills,money spent monthly on entertainment,and monthly miscellaneous bills.

The colour of your house

The outcome of tossing a coin

As research for a science class,seventh graders at a grade school in Ontario collected data on weather patterns.For each day in January of 2014,they recorded the high and low temperatures,precipitation,humidity,and wind speed.

Data are always numbers.

Individuals can be statistics.

Is the statement below a correct use of the word "statistics"? If not,why? "Don't drink and drive; you don't want to be a statistic."

A person's political affiliation

Displaying and Describing Categorical Data

Displaying and Summarizing Quantitative Data

Understanding and Comparing Distributions

The Standard Deviation As a Ruler and the Normal Model

Scatterplots, association, and Correlation

Linear Regression

Regression Wisdom

Understanding Randomness

Sample Surveys

Experiments and Observational Studies

From Randomness to Probability

Probability Rules

Random Variables

Sampling Distribution Models

Confidence Intervals for Proportions

Testing Hypotheses About Proportions

More About Tests

Comparing Two Proportions

Inferences About Means

Comparing Means

Paired Samples and Blocks

Comparing Counts

Inferences for Regression

Analysis of Variance

Multifactor Analysis of Variance

Multiple Regression

Multiple Regression Wisdom

Rank-Based Nonparametric Tests

The Bootstrap

Filters