Suppose a runner claims that her mile run time is less than 9 minutes on...
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Suppose a runner claims that her mile run time is less than 9 minutes on average Several of her friends do not believe her so the runner decides to do a hypothesis test at a 10 significance level to persuade them She runs 12 time trials collects the proper data and works through the testing procedure Ha u 9 Ha R 9 a 0 1 significance level The test statistic is B 20 Select the correct answer below I po n 7 7 9 12 The critical value is 20 1 1 28 Conclude whether to reject or not reject Ho and interpret the results 4 5 Reject Ho At the 10 significance level the test results are not statistically significant and at best provide weak evidence against the null hypothesis Reject Ho At the 10 significance level the data provide sufficient evidence to conclude that the mean time is less than 9 minutes Do not reject Ho At the 10 significance level the test results are not statistically significant and at best provide weak evidence against the null hypothesis Do not reject Ho At the 10 significance level the data provide sufficient evidence to conclude that the mean time is less than 9 minutes
Suppose a runner claims that her mile run time is less than 9 minutes on average Several of her friends do not believe her so the runner decides to do a hypothesis test at a 10 significance level to persuade them She runs 12 time trials collects the proper data and works through the testing procedure Ha u 9 Ha R 9 a 0 1 significance level The test statistic is B 20 Select the correct answer below I po n 7 7 9 12 The critical value is 20 1 1 28 Conclude whether to reject or not reject Ho and interpret the results 4 5 Reject Ho At the 10 significance level the test results are not statistically significant and at best provide weak evidence against the null hypothesis Reject Ho At the 10 significance level the data provide sufficient evidence to conclude that the mean time is less than 9 minutes Do not reject Ho At the 10 significance level the test results are not statistically significant and at best provide weak evidence against the null hypothesis Do not reject Ho At the 10 significance level the data provide sufficient evidence to conclude that the mean time is less than 9 minutes
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