Question: HYPOTHESIS TESTS- COMPARING TWO SAMPLES t-Test for Comparing the Means of Dependent Samples F-Test for Comparing Two Variances or Two Standard Deviations A sportswriter believes

HYPOTHESIS TESTS- COMPARING TWO SAMPLES

t-Test for Comparing the Means of Dependent Samples

F-Test for Comparing Two Variances or Two Standard Deviations

  1. A sportswriter believes the final scores in professional basketball games have increased over the past 50 years. A random sample of 41 games in 1998 reveals a mean of 81 with a standard deviation of 12. A similar sample of 61 games in 1948 reveals a mean of 76 with a standard deviation of 17. Assuming a normal distribution, test for equality of population variances at a significance level of 0.05.

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