Test Bank for Statistics , 8th Edition

Strengthen your understanding with Test Bank for Statistics , 8th Edition, packed with challenging questions and expert solutions.

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Chapter 1 Test A1-1Chapter 1 Test A - Multiple ChoiceSection 1.1 (What are Data?)1.[Objective: Understand data.] Data can be defined asnumbers in context. Suppose you are given thefollowing set of numbers:1.73, 1.83, 1.57, 1.88, 1.70, 1.65What additional information would allow you to define these numbers as data?a.Units of measurement. This could represent the heights of six 5-year-olds, in meters.b.Units of measurement. This could represent the heights of six 20-year-olds, in meters.c.We need to know where these numbers were collected.d.We need to know who collected these numbers.Section 1.2 (Classifying and Storing Data)2.[Objective: Understand methods for coding categorical variables.]According to the following datatable, which variable(s) is (are) categorical?AgeGenderWeightEthnicity23118011801260200139219115412012023a.None are categorical because there are only numbers in the tableb.Age, gender, and ethnicityc.Gender and ethnicityd.Gender3.[Objective: Distinguish between stacked and unstacked data.]The following data table is organizedusing which method?Men’s AgesWomen’s Ages35423933413737354039a.This is stacked data because the ages are separated by groups (in this case, gender).b.This is stacked data because each row represents one person.c.This is unstacked data because the ages are separated by groups (in this case, gender).d.This is unstacked data because each row represents one person.

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Statistics by James T. McClave, Ter...

Test Bank for Statistics , 8th Edition

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