Concept explainers
(a)
To find: the individuals in this data set.
(a)
Answer to Problem 1E
8 arbitrary chosen students
Explanation of Solution
Given:
Individuals:
There are 8 arbitrary chosen students which take part in the class survey and filled out the questionnaire anonymously.
(b)
To find: the variables and classify each as categorical or quantitative.
(b)
Answer to Problem 1E
Variables are Gender, Grade level, GPA, Children in family, Homework last night (min) and Android or iphone.
Gender: Categorical
Grade level: Categorical.
GPA: Quantitative.
Children in family: Homework last night (min): Categorical
Explanation of Solution
Given:
Variables are Gender, Grade level, GPA, Children in family, Homework last night (min) and Android or iphone.
Gender: Categorical because the M and F is the category
Grade level: Categorical because it is possible to list out all grades which is category.
GPA: Quantitative because it is numerical values and not possible to list out.
Children in family: Quantitative because it is numerical values and not possible to list out.
Homework last night (min): Categorical because it is possible to distinguish in different category.
Android or iphone: categorical because there is two category Android and iphone.
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Chapter 1 Solutions
EBK PRACTICE OF STAT.F/AP EXAM,UPDATED
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