TABLE 12-6 According to an Article in Marketing News, Fewer Checks Are

question 200

Short Answer

TABLE 12-6
According to an article in Marketing News, fewer checks are being written at the grocery store checkout than in the past. To determine whether there is a difference in the proportion of shoppers who pay by check among three consecutive years at a 0.05 level of significance, the results of a survey of 500 shoppers in three consecutive years are obtained and presented below.

-Referring to Table 12-6, what is the value of the critical range for the Marascuilo procedure to test for the difference in proportions between year 1 and year 2 using a 0.05 level of significance?

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Definitions:

Net Income

The total profit of a company after all revenues, cost of goods sold, operating expenses, and taxes have been subtracted.

Cash Payback Period

The expected period of time that will elapse between the date of a capital expenditure and the complete recovery in cash (or equivalent) of the amount invested.

Fixed Asset

A durable, physical asset that a company possesses and utilizes in its activities to produce revenue over an extended period.

Net Cash Flow

The difference between cash inflows and outflows within a specified period, indicating the company's liquidity.