A E X Office Update To keep up-to-date with security updates, fixes, and in D17 X V fx A B C D E F Years G Nickname N 74 3 62 A 67 5 73 6 49 7 62 8 56 9 63 10 80 11 65 12 61 - o - - - 0 - - 0 0 0 - - O0 0 - - - - 13 64 14 70 15 71 16 69 17 56 18 68 19 70 20 79 21 67 22 68 23 68 24 64 25 67 26 64 O O - - - 0 - - 0 27 63 28 68 29 68 30 74 31 54 32 33 34 35 36 37 38 39 40york you have completed so far. It does not indicate completion. Return to questio O) w. opecily uit ilypullleses LU LUIILIQUICi TIE CialIII IIIque My EstaICIItis. . Ho: H1 - H2 = 2.5; HA: H1 - H2 # 2.5 0 Ho: H1 - H2 2 2.5; HA: H1 - H2 2.5 c-1. Calculate the value of the test statistic. Assume that the population variances are unknown but equal. (Round your answer to 3 decimal places.) Test statisticReturn to question Baseball has always been a favorite pastime in America and is rife with statistics and theories. One study found that major league players who have nicknames live an average of 21/2 years longer than those without them. You do not believe in this result and decide to collect data on the lifespan of 30 baseball players along with a nickname variable that equals 1 if the player had a nickname and 0 ints table or ttable) otherwise. A portion of the data is shown in the accompanying table. (You may find it useful to reference the appropriate table: z Years Nickname 74 62 ... HE 64 Click here for the Excel Data File Let Samples 1 and 2 represent major-league players with and without nicknames, respectively. a. Create two subsamples consisting of players with and without nicknames. Calculate the average longevity for each subsample. (Round your answers to 4 decimal places.) Answer is complete and correct. Sample 1 Sample 2 68.0556 years 64.0833 years Average longevity Next >