A Coffee Shop Franchise Owner Is Looking at Two Possible $\sigma$

question 41

Multiple Choice

A coffee shop franchise owner is looking at two possible locations for a new shop.To help make a decision,the owner looks at the number of pedestrians that go by each of the two locations in one-hour segments.At location A,counts are taken for 35 one-hour units and with a mean number of pedestrians of 421 and a sample standard deviation of 122.At the second location (B) ,counts are taken for 50 one-hour units with a mean number of pedestrians of 347 and a sample standard deviation of 85.Assume the two populations variances are not known but are equal.What is the pooled estimate of $\sigma$
?

• A)10.120
• B)8.262
• C)101.796
• D)6.011
• E)9.219

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Definitions:

Rent Expense

The cost incurred by a company to utilize property or equipment for business operations, typically recognized in the income statement.

Services Revenue

Income generated from the provision of services to clients or customers, distinct from the sale of goods.

Income Statement

An account that outlines a business's financial transactions, such as earnings, costs, and overall profit, for a defined timeframe.

Total Revenues

Total revenues refer to the full amount of income generated by a company from its business activities, including sales of goods or services, before any expenses are subtracted.