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Statistics and Probability

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A Contingency Table Analysis of Investment

STATS-Y0EQXI

The manager of a mutual fund company recently assumed responsibility for a large investment portfolio. She wonders whether the industry sector influences investment objectives. Her staff prepared a contingency table from a random sample of 200 common stocks. The investment objectives are growth and income, while the three industry sectors are electronics, airlines, and healthcare.

Her null hypothesis is:

A

"investment objective" is related to "industry sector".

B

"growth" and "income" are independent.

C

"investment objective" is independent of "industry sector".

D

"investment objective" is not independent of "industry sector".