Does carrying around a good luck charm in one’s pocket affect one’s confidence level? The mean confidence level for the population is 20 on the Internal Confidence Scale. You recruit a sample of 25 participants to carry around a good luck charm in their pocket for a week. Then you have the participants take the Internal Confidence Scale. The sample has mean of 18.75 with sum of squares = 600. You use an alpha of .10 for your analysis. Conduct a hypothesis test. In the textbox below, answer the following questions: (A) Is there a significant effect? (B) Do you “reject the null” or “fail to reject the null”? Clearly explain/justify both your answers, mentioning specific values that you calculated such as the critical t and t statistic. (You must give a good explanation in order to get any credit for this problem. In addition, in your uploaded picture for this problem, you must show ALL your work/calculations in order to get credit for your answer.)
Does carrying around a good luck charm in one’s pocket affect one’s confidence level? The mean confidence level for the population is 20 on the Internal Confidence Scale. You recruit a sample of 25 participants to carry around a good luck charm in their pocket for a week. Then you have the participants take the Internal Confidence Scale. The sample has mean of 18.75 with sum of squares = 600. You use an alpha of .10 for your analysis. Conduct a hypothesis test. In the textbox below, answer the following questions: (A) Is there a significant effect? (B) Do you “reject the null” or “fail to reject the null”? Clearly explain/justify both your answers, mentioning specific values that you calculated such as the critical t and t statistic. (You must give a good explanation in order to get any credit for this problem. In addition, in your uploaded picture for this problem, you must show ALL your work/calculations in order to get credit for your answer.)
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