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Intro Stats 6e Richard De Veaux, Paul Velleman, David Bock (Test Bank All Chapters, 100% Original Verified, A+ Grade) 1 / 4
De Veaux Intro Stats 6e Chapter 1 Test ESSAY. Write your answer in the space provided or on a separate sheet of paper.1)One of the reasons that the Monitoring the Future (MTF) project was started was "to study changes in the beliefs, attitudes, and behavior of young people in the United States." Data are collected from 8th, 10th, and 12th graders each year. To get a representative nationwide sample, surveys are given to a randomly selected group of students.In Spring 2016, students were asked about alcohol, illegal drug, and cigarette use. Describe the W's, if the information is given. If the information is not given, state that it is not specified.
Who:
What:
When:
Where:
How:
Why:
Objective:(1) Quiz A
2)Consider the following part of a data set:
Age (years) Sex Only child?Height (inches) Weight (pounds) Credit Hours GPAMajor 21 FemaleYes 67.00 140.0 16 3.60 animal science 20 FemaleNo 62.00 130.0 18 3.86 biology 28 FemaleNo 64.00 188.0 21 3.25 psychology 21 Male No 65.00 140.0 15 2.95 psychology 24 FemaleNo 67.00 130.0 20 3.00 anthropology 22 Male Yes 68.00 135.0 15 2.94 journalism List the variables in the data set. Indicate whether each variable is treated as categorical or quantitative in this data set. If the variable is quantitative, state the units.
Objective:(1) Quiz A
In November 2003 Discover published an article on the colonies of ants. They reported some basic information about many species of ants and the results of some discoveries found by myrmecologist Walter Tschinkel of the University of Florida.Information included the scientific name of the ant species, the geographic location, the depth of the nest (in feet), the number of chambers in the nest, and the number of ants in the colony. The article documented how new ant colonies begin, the ant-nest design, and how nests differ in shape, number, size of chambers, and how they are connected, depending on the species. It reported that nest designs include vertical, horizontal, or inclined tunnels for movement and transport of food and ants.
3)Describe the W's, if the information is given:
Who:
What:
When:
Where:
How:
Why:
Objective:(2) Quiz B
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4)List the variables. Indicate whether each variable is categorical or quantitative. If the variable is quantitative, tell the units.
Objective:(2) Quiz B
In May 2017, Wirecutter published an article entitled "The Best True Wireless Headphones So Far" (http://thewirecutter.com/reviews/best-true-wireless-headphones/). They tested 11 "of the most promising true wireless in-ear headphones." Among other things, the article told the brand of each pair of headphones, its price, battery life, audio quality, ease of setup, and other characteristics. The article provides a number of recommendations including best for the money, best for the gym, best for Apple, and best for Android. The author, Lauren Dragan, describes herself as a voice actor with an audio production degree who has spent hundreds of hours testing headphones for Wirecutter.
5)Describe the W's, if the information is given:
Who:
What:
When:
Where:
How:
Why:
Objective:(3) Quiz C
6)List the variables. Indicate whether each variable is categorical or quantitative. If the variable is quantitative, tell the units.
Objective:(3) Quiz C
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.7)In the fall of 2007, the Pew Internet & Life Project conducted telephone interviews with a sample of American adults aged 18 and older about online shopping. American adults aged 18 and older constitute the ________ of the study.A)WhenB)HowC)WhatD)Where E)Who
Objective:(4) Quiz D
8)A few of the variables for which data were collected in the Pew Internet & Life Project study about online shopping include age, gender, income, and number of hours spent shopping online per month. Which of the variables is categorical?A)Number of hours spent shopping online B)Gender C)Income D)Age E)None
Objective:(4) Quiz D
9)The Pew Internet & Life Project study about online shopping asked respondents to indicate their education level on the following scale: Less than High School, High School, Some College, College +. Which of the following statements is (are) TRUE?A)Education level is ordinal scaled.B)Education level is nominal scaled.C)Education level is a categorical variable.D)Both A and B E)Both A and C
Objective:(4) Quiz D
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10)Consumer Reports Health routinely compares drugs in terms of effectiveness and safety. In summer 2008 they reviewed drugs used to treat arthritis. Among the information reported was convenience of use (how many pills required each day) and possible side effects (e.g., dizziness, stomach upset). Convenience of use and possible side effects constitute the ________ of the study.A)WhenB)Where C)WhatD)HowE)Who
Objective:(4) Quiz D
11)What is the "Who" in a Consumer Reports Health study on the effectiveness and safety of drugs used to treat arthritis?A)summer 2008 B)testing on drugs C)convenience of use and possible side effects D)drugs to treat arthritis currently on the market E)the United States
Objective:(4) Quiz D
12)A Consumer Reports Health study on the effectiveness and safety of arthritis drugs collected data on possible side effects. This is what kind of variable?A)Quantitative B)Categorical C)Nominal D)Both A and C E)Both B and C
Objective:(4) Quiz D
13)A Consumer Reports Health study on arthritis drugs takes into consideration cost. Cost A)is a nominal variable.B)is a quantitative variable.C)is an ordinal variable.D)is an irrelevant variable.E)is a categorical variable.
Objective:(4) Quiz D
14)The Human Resources Department of a large corporation maintains records on its employees. Data are maintained of the following variables: Age, Employment Category, Education, Whether or not the employee participates in a wellness program, and Paycheck benefit deductions. Which of these variables are categorical?A)Employment Category, Education, and Whether or not the employee participates in a wellness program B)Education, Whether or not the employee participates in a wellness program, and Paycheck benefit deductions C)Age, Employment Category, and Education D)All of the variables E)None of the variables
Objective:(4) Quiz D
15)A Consumer Reports study on tipping takes into consideration median amount of tipping for service providers.Tipping A)is an irrelevant variable.B)is a nominal variable.C)is a categorical variable.D)is an ordinal variable.E)is a quantitative variable.
Objective:(4) Quiz D
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