Use A $x ^ { 2 }$ Test to Test the Claim That in the Given Contingency

question 28

Essay

Use a $x ^ { 2 }$ test to test the claim that in the given contingency table, the row variable and the column variable are
independent. Responses to a survey question are broken down according to employment status and the sample
results are given below. At the 0.10 significance level, test the claim that response and employment status are
independent. $$\begin{array} { r | c c c } & \text { Yes } & \text { No } & \text { Undecided } \\\hline \text { Employed } & 30 & 15 & 5 \\\text { Unemployed } & 20 & 25 & 10\end{array}$$

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Definitions:

Short-Run

A period during which at least one input in the production process is fixed, affecting the firm's ability to adjust to changes in demand.

Average Total Costs

dividing the total production costs by the quantity of produced units gives the cost for each unit.

Short Run

A period in which at least one factor of production is fixed, limiting the ability of a business to fully adjust to changes in market conditions.

Economic Profit

The differentiation between a business entity's gross revenue and its comprehensive costs, factoring in both explicit and implicit expenses.