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Hypothesis Test for Two Populations including t-Test for μ1-μ1 t-Test for μd F-Test for A real...

Hypothesis Test for Two Populations including

  • t-Test for μ11
  • t-Test for μd
  • F-Test for

A real estate company is interested in testing whether, on average, families in Gotham have been living in their homes different amounts of time than families in Metropolis have. Random samples yield the following results. Assuming equal variances and normal distributions. What is the value of the pooled variance estimate?

Gotham Metropolis
number sampled: 100 150
Average: 35 months 45 months
Standard deviation: 20 months 25 months

Group of answer choices

a. 512.5

b. 253.13

c. 539.31

d. 535.18

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