Question

1. Create the printout for testing whether the mean low stock price of all NYSE stocks differs from $35 and attach it here. Answer the following questions regarding this printout:

One-Sample T Test Null Hypothesis: μ = 35 Alternative Hyp: μ ≠ 35                                                                                                                              Lower                    Upper Variable                                 Mean       SE          T          DF                P        95% C.I.                 95% C.I. Low                                        92.075   48.666 1.17        39           0.2480 -6.3611               190.51 Cases Included 40    Missing Cases 0

1. In the words of the problem, give a practical conclusion for this test. Make sure to include your choice of α in this conclusion.

2. In the words of the problem, state what a Type I error would be.

3. Use your knowledge of p-values and the printout above to state what the p-value would have been if you were conducting a one-tailed test instead of the two-tailed test I asked for.

2.         Create the printout for testing whether the mean current stock price of all NASDAQ stocks exceeds $22.00 and attach it here. Answer the following questions regarding this printout:

One-Sample T Test Null Hypothesis: μ = 22 Alternative Hyp: μ > 22                                                                                                                                             Lower Variable                                 Mean       SE          T          DF                P        95% C.I. C.I. Close                                      35.926   8.3511   1.67        24           0.0542          21.638 Cases Included 25    Missing Cases 0

1. State the assumption necessary for this printout to be valid.

2. State the null and alternative hypotheses that we would use to determine if the mean current stock price of all NASDAQ stocks exceeds $22.00.

H_o:

H_a:

3. In the words of the problem, give a practical conclusion for this test. Make sure to include your choice of α in this conclusion.

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Answer 1

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