TABLE 10-4. A real estate company is interested in testingwhether, on average, f

Question

TABLE 10-4. A real estate company is interested in testingwhether, on average, families in Gotham have been living in theircurrent homes for less time than families in Metropolis have.Assume that the two population variances are equal. A random sampleof 100 families from Gotham and a random sample of 150 families inMetropolis yield the data on length of residence in currenthomes.
Referring to Table 10-4, suppose alpha = 0.10. Which of thefollowing represents the result of the relevant hypothesistest? a. The alternative hypothesis is rejected. b. The null hypothesis is rejected. c. The null hypothesis is not rejected. d. Insufficient information exists on which to make adecision

Explanation / Answer

a. The alternative hypothesis is rejected. b. The nullhypothesis is rejected.   (There is enough evidence that,on average, families in Gotham have been living in their currenthomes for less time thanfamilies in Metropolis have ) less time thanfamilies in Metropolis have c. The null hypothesis is not rejected. d. Insufficient information exists on which to make adecision

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