Concept explainers
(a)
To construct: the bar graph on the basis of given information and explain.
(a)
Explanation of Solution
Given:
Graph:
There are multiple bars is representing which is showing the comparison of opinions about the degrees. The views along the horizontal axis and values are taken along the vertical axis and some lines are drawn.
(b)
To find: the test on the basis of given information and about the conclusion.
(b)
Explanation of Solution
Given:
Calculation:
Using the chi-square test
Degree of freedom
P-value = 0.005
Therefore, the P-value is smaller than significance level 0.05. So, there should be reject the null hypotheses and make the conclusion that Opinion is degree independent.
Chapter 11 Solutions
The Practice of Statistics for AP - 4th Edition
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