Question

Exercise 9.17 (Algorithm Wall Street securities firms paid out record year end bonuses of $125.500 per employee for 2008 (tune, Foruary 6, 2006). Superettan mat the mom te weether end bonus is different from the reported mean of $125.500 for the population, rate the null and whernative hypotheses you would use to test whether the year-end bones paid by Jones Ayan var derent from the previsten van Molequal to 128.800 Hornot equal to 128.00 b. Suppose a sample of 40 Bones Ryan employees showed a sample man year end bonus of $150,000. Assume a population standarden of 2.000 and compute the powder .1139 3 c. With a - .05 as the level of significance, what is your conclusion De nel conclude that the year and bonuses paid by ones & Ryan were diferent from the time Answer the next three questions using the critical value approach d. Using a .. what is the critical value for the best statistic? + 1.06 e. Calculate the test statistic (to 2 decimals). -1.5 f. Using a - .05. Can you conclude that the year end bonuses paid by Jones & Ryan were different from the population mean! NO

Answer 1

Page 2 F: using od=0.05, can you conclude that the year-bonuges paid paid by Jones & Ryan were different from the population mean No