What conclusion should be drawn from these results

Reference no: EM13108068

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 individual who live in California and finds that the numbers who exercise regularly is 31 out of 120. a. What is x²obt? b. What is df for the test? c. What is x²cv? d. What conclusion should be drawn from these results?

Reference no: EM13108068

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