The following dat ists the ages of a random selection of actresses when they won an wward in the category of Best Actres

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The Following Dat Ists The Ages Of A Random Selection Of Actresses When They Won An Wward In The Category Of Best Actres 1 (27.01 KiB) Viewed 77 times

The Following Dat Ists The Ages Of A Random Selection Of Actresses When They Won An Wward In The Category Of Best Actres 2 (11.94 KiB) Viewed 77 times

The following dat ists the ages of a random selection of actresses when they won an wward in the category of Best Actress, along with the ages of actors when they won in the category of Best Actor. The ages are matched according to the year that the awards were presented Completo parts(a) and (b) below Actress (years) ZT 20 32 27 32 23 20 30 320 Actor years 50 39 0 39 31 3750 43 3942 a. Use the simple data with a 005 gnificance over to test the com that for the population of inges of Best Actresses and Best Actors the differences have moan less than 0 (indicating that the Best Actresses are generally younger than Cost Aconi) In this example. He is the mean value of the cities for the population of all pars of data, where each individual amorence d is defined as the actresse minus the actos age. What are the cult and alternative hypotheses for the hypothesis test? HO years) Ha Ha yoan Type intogors or decimals Do not found) Identify the test statistic +- (Round to two decimal places as nooded) Identify the P-value pv (Round to two decimal places as needed) What is the conclusions based on the hypothesis tos? Since the P values the significance level the nullypothessThere sufficientovidence to support that

b. Construct the confidence interval that could be used for the hypothesis test descnbed in part(a) What feature of the confidence interval leads to the same conclusion reached in part (ay? The confidence interval is year(s) <H3 year(s) (Round to one decimal place as needed) What feature of the confidence interval leads to the same conclusion reached in part? Since the confidence interval contains the null hypothesis