QUESTION 26 A real estate company is interested in testing whether, on average, families in Gotham have been living in their current homes for less time than families in Metropolis have. Assume that the two population variances are equal. A random sample of 100 families from Gotham and a random sample of 150 families in Metropolis yield the following data on length of residence in current homes. Gotham: Sample Mean: XM: 35 months, Var = 900 Metropolis: Sample Mean: XG = 50 months, Var = 1050. What is the estimated standard error of the difference between the 2 sample means? a. 4.06 b. 5.61 0c. 16.00 d. 8.01