HYPOTHESIS TESTING A college math teacher claims that the mean score of students in his Statistics class is greater than 82 with a standard deviation of 20. If a sample of 81 students was selected with a mean score of 90 then check if there is enough evidence to support this claim (based on the sample) at a 0.01 significance level. Use this Format 1. Formulate Ho and Ha. 2. Determine the test to be used. 3. Set the significance level. Determine the tabulated or critical value (TV) for the test.
HYPOTHESIS TESTING
A college math teacher claims that the mean score of students in his Statistics class is greater than 82 with a standard deviation of 20. If a sample of 81 students was selected with a mean score of 90 then check if there is enough evidence to support this claim (based on the sample) at a 0.01 significance level.
Use this Format
1. Formulate Ho and Ha.
2. Determine the test to be used.
3. Set the significance level. Determine the tabulated or critical value (TV) for the test.
4. Computation
5. Compare computed value (CV) with the tabulated or critical value (TV). Then, make a decision.
a. Reject Ho and Accept Ha if |CV| ≥ |TV|.
b. Accept Ho and Reject Ha if |CV| < |TV|.
6. Conclusion.
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HYPOTHESIS TESTING
A college math teacher claims that the mean score of students in his Statistics class is greater than 82 with a standard deviation of 20. If a sample of 81 students was selected with a mean score of 90 then check if there is enough evidence to support this claim (based on the sample) at a 0.01 significance level.
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