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A Sociologist Wanted to Determine Whether There Was a Difference α=0.01\alpha = 0.01

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A sociologist wanted to determine whether there was a difference in the amount of time children aged 5-7 spent watching television each day. Check the following data for evidence that the number of minutes spent watching television is equally distributed throughout the week. Use α=0.01\alpha = 0.01 .
 Day  Number of Minutes  Sunday 200 Monday 112 Tuesday 123 Wednesday 130 Thursday 160 Friday 225 Saturday 247\begin{array} { l c } \text { Day } & \text { Number of Minutes } \\ \text { Sunday } & 200 \\ \text { Monday } & 112 \\ \text { Tuesday } & 123 \\ \text { Wednesday } & 130 \\ \text { Thursday } & 160 \\ \text { Friday } & 225 \\ \text { Saturday } & 247 \end{array}
Find the critical value.


Definitions:

Mark-up

The amount added to the cost price of goods to cover overhead and profit; typically expressed as a percentage of the cost.

Unit Cost

Unit cost is the total expense incurred to produce, store, and sell one unit of a product or service, including both fixed and variable costs.

Operating Profit

Income from business operations after operating expenses are subtracted from gross profits, but before taxes and interest expenses.

Operating Expense

ongoing costs for running a product, business, or system.

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