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A sample of n=7 has values of 4, 8, 2, 3, 9, 5, 6. Calculate the t-statistic assuming the sample standard deviation is 1.5 and
- A sample of n=7 has values of 4, 8, 2, 3, 9, 5, 6. Calculate the t-statistic assuming the sample standard deviation is 1.5 and the sample came from the population with a mean of 5 for a one-tailed test that is right-tailed with a .05 level of significance. Would you accept or reject the null hypothesis?
- Using the information you calculated in the first question, suppose you are now conducting a one-tailed test that is left-tailed. Would you accept or reject the null hypothesis?
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