Instruction 10-4
a Real Estate Company Is Interested in Testing $\quad \bar { X } _ { \mathrm { G } } = 35$

question 101

Multiple Choice

Instruction 10-4
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.
Gotham: $\quad \bar { X } _ { \mathrm { G } } = 35$ months, $\quad S _ { \mathrm { G } } ^ { }² = 900$
Metropolis: $\quad \bar { X } _ { M } = 50$ months, $\quad S _ { M ^ { 2 } } = 1,050$
-Referring to Instruction 10-4,what is(are) the critical value(s) of the relevant hypothesis test if the level of significance is 0.05?

• A)t ? Z = -1.645
• B)t ? Z = -1.96
• C)t ? Z = -2.080
• D)t ? Z = ± 1.96

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Definitions:

Interest for Days

Calculated as the interest rate on a loan or investment applied over a specified number of days.

Total Amount Charged

The total amount charged refers to the aggregate sum of all charges, fees, and expenses associated with a transaction or series of transactions.

Allowance for Doubtful Accounts

This is an accounting method that estimates the amount of receivables that may not be collected due to customer defaults.

Current Assets

Assets that are expected to be converted into cash, sold, or consumed within one year or within the business's normal operating cycle.