2) Below is an unidentified table of values: x 78 85 92 100 85 89 93 99 100 84 y 1. What is the key issue if these data are test grades of subjects before and after formal instruction? ("Is the instruction effective, as indicated by higher y scores?" See Section 9-4.) 2. What is the key issue if these data are reasoning tests for a sample of men (x)
2) Below is an unidentified table of values: x 78 85 92 100 85 89 93 99 100 84 y 1. What is the key issue if these data are test grades of subjects before and after formal instruction? ("Is the instruction effective, as indicated by higher y scores?" See Section 9-4.) 2. What is the key issue if these data are reasoning tests for a sample of men (x)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 26PFA
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Question
Transcribed Image Text:2) Below is an unidentified table of values:
x
78 85 92 100 85
89 93 99 100 84
y
1.
What is the key issue if these data are test grades of subjects before and after
formal instruction? ("Is the instruction effective, as indicated by higher y
scores?" See Section 9-4.)
2.
What is the key issue if these data are reasoning tests for a sample of men (x)
and a separate sample of women (y)? ("Does the population of men have the
same mean as the population of women?" See Section 9-3.)
What is the key issue if each pair represents a math reasoning score x and a
starting salary y in thousands of dollars? ("Is the starting salary associated
with math reasoning?" See this chapter.)
3.
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