A Suburban Realtor Is Studying Commuter Time in the Calgary $\alpha$

question 38

Multiple Choice

A suburban realtor is studying commuter time in the Calgary metropolitan area. She has been told the average weekday travel time from a southern suburb at 8:00 a.m. is 45 minutes. For five months she counts the number of days that it takes her more than 45 minutes to arrive in downtown when she leaves her house at 8:00 a.m. She expects the data are uniformly distributed across the five months. Her sample of observed data yields the following frequencies: 9 days, 15 days, 8 days, 11 days, 12 days. Using $\alpha$ =.01, the critical chi-square value is ___.

• A) 13.277
• B) 15.086
• C) 7.779
• D) 11.070
• E) 2.727

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Definitions:

Substitutes

Alternatives or replacements for someone or something, typically used in the context of materials, products, or personnel.

BCG Matrix

A strategic planning tool that classifies business units or products into four categories based on market growth and market share.

Question Mark

A term used in the Boston Consulting Group (BCG) matrix to describe a product or business with low market share in a high-growth market, requiring investment to increase market share or divest.

Market Share

The portion of a market controlled by a particular company or product.