[See Steps] A researcher believes that the percentage of people who exercise in California is greater than the national exercise rate. The national rate
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 χ² obt. ?
B- What is the df for this test?
C- What is χ² cv ?
D- What conclusion should be drawn from these results?
Deliverable: Word Document 
![[Solution] A student is interested in whether](/images/solutions/MC-solution-library-73732.jpg "[Solution] A student is interested in whether students who study")
[Solution] A student is interested in whether students who study
![[Solution Library] The researcher in the preceding](/images/solutions/MC-solution-library-73733.jpg "[Solution Library] The researcher in the preceding problem #2 decides")
[Solution Library] The researcher in the preceding problem #2 decides
(Solution Library) Researchers at a food company are interested in
(See Steps) You notice in your introductory psychology class that
(See Solution) What are degrees of freedom? How are the
T-test for Paired Samples - MathCracker.com