A researcher believes that the percentage of people who exercise in California is greater than the national
Question:
A researcher believes that the percentage of people who exercise in California is greater than the national exercise rate. The national rate is 20%. The researcher gathers a random sample of 120 individuals who live in California and finds that the number who exercise regularly is 31 out of 120.
a. What is χ2obt?
b. What is df for this test?
c. What is χ2cv?
d. What conclusion should be drawn from these results?
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a 2 obt 255 b df 1 c 2 cv 3841 ...View the full answer
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Related Book For
Research Methods And Statistics A Critical Thinking Approach
ISBN: 9781305257795
5th Edition
Authors: Sherri L. Jackson
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