Answer Happy

Exercise 20-67 Algo The accompanying data file shows the closing stock price (in $) for a phamaceutical firm over the past five days. Click here for the Excel Data File a. Specify the competing hypotheses to determine whether the median stock price is greater than $62.41. HO: m = $62.41; HA: m < $62.41 Ho: m = $62.41; HA: m # $62.41 Ho: ms $62.41; HA: m > $62.41 b. Calculate the value of the Wilcoxon signed-rank test statistic T. Test statistic

c.The p-value for the test is found to be equal to 0.688. At the 5% significance level, is the median stock price greater than $62.41? Yes, since we reject the null hypothesis Yes, since we do not reject the null hypothesis. No, since we reject the null hypothesis. O No, since we do not reject the null hypothesis.

A 1 Price 2 63.24 3 60.72 4 62.35 5 63.89 6 62.58 7