SCENARIO 10-3 A real estate company is interested in testing whether the mean time that families in Gotham have been living in their current homes is less than families in Metropolis.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.
-Referring to Scenario 10-3, suppose = 0.10.Which of the following represents the correct conclusion?
A) There is not enough evidence that the mean amount of time families in Gotham have been living in their current homes is less than families in Metropolis.
B) There is enough evidence that the mean amount of time families in Gotham have been living in their current homes is less than families in Metropolis.
C) There is not enough evidence that the mean amount of time families in Gotham have been living in their current homes is not less than families in Metropolis.
D) There is enough evidence that the mean amount of time families in Gotham have been living in their current homes is not less than families in Metropolis.
Correct Answer:
Verified
Q23: SCENARIO 10-2
A researcher randomly sampled 30 graduates
Q25: SCENARIO 10-2
A researcher randomly sampled 30 graduates
Q34: SCENARIO 10-3 A real estate company is
Q35: SCENARIO 10-3
A real estate company is interested
Q39: SCENARIO 10-3
A real estate company is interested
Q40: SCENARIO 10-3
A real estate company is interested
Q43: In testing for differences between the means
Q44: SCENARIO 10-4 Two samples each of size
Q52: SCENARIO 10-4
Two samples each of size 25
Q54: SCENARIO 10-4
Two samples each of size 25
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