A client wants to determine whether there is a significant difference in the time required to complete a program evaluat

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A Client Wants To Determine Whether There Is A Significant Difference In The Time Required To Complete A Program Evaluat 1 (52.6 KiB) Viewed 22 times

A client wants to determine whether there is a significant difference in the time required to complete a program evaluation with the three different methods that are in common use. Suppose the times (in hours) required for each of 18 evaluators to conduct a program evaluation follow. Method 1 1 Method 2 Method 3 66 64 56 72 71 69 67 77 68 75 66 59 79 74 58 74 70 64 Use a = 0.05 and test to see whether there is a significant difference in the time required by the three methods. State the null and alternative hypotheses. OH : Not all populations of times are identical. H: All populations of times are identical. O Ho: Median, = Median, = Median H: Median, > Median, > Median O Ho: All populations of times are identical. H: Not all populations of times are identical. O Ho: Median, + Median, # Median, Ho: Median, = Median= Median, Ho: Median, = Median, = Median He: Median, + Median, + Median, Find the value of the test statistic. (Round your answer to two decimal places.) Find the p-value. (Round your answer to three decimal places.) p-value = State your conclusion. O Do not reject Ho. There is not sufficient evidence to conclude that there is a significant difference in the time required by the three methods. O Reject H. There is not sufficient evidence to conclude that there is a significant difference in the time required by the three methods. Do not reject Ho. There is sufficient evidence to conclude that there is a significant difference in the time required by the three methods. Reject H. There is sufficient evidence to conclude that there is a significant difference in the time required by the three methods.