The Following Data Shows Annual Income, in Thousands of Dollars

question 18

Essay

The following data shows annual income, in thousands of dollars, categorized according to the two factors of gender and level of education. Assume that incomes are not affected by an interaction between gender and level of education, and test the null hypothesis that level of education has no effect on income. Use a 0.05 significance level. $$\begin{array} { l c c } & \text { Female } & \text { Male } \\\text { High school } & 23,27,24,26 & 25,26,22,24 \\\text { College } & 28,36,31,33 & 35,32,39,28 \\\text { Advanced degree } & 41,38,43,49 & 35,50,47,44\end{array}$$

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Definitions:

Owner's Drawings

Withdrawals of a business's cash or other assets by the owner for personal use.

Expense Accounts

Accounts used to record business expenses, which reduce net income in the profit and loss statement.

Income Summary

An account used in the closing process that summarizes revenues and expenses to determine the net income or loss for a period.

Debit

An accounting entry that increases an asset or expense account, or decreases a liability or equity account, recorded on the left-hand side.