Anita Cruz recently assumed responsibility for a large investment portfolio.She wonders whether industry sector influences investment objective.Her staff prepared the following contingency table from a random sample of 200 common stocks. Anita's null hypothesis is ______________.
A)"investment objective" is related to "industry sector"
B)"investment objective" influences "industry sector"
C)"investment objective" is not independent of "industry sector"
D)"investment objective" is independent of "industry sector"
E)"growth" and "income" are independent

Question

Anita Cruz recently assumed responsibility for a large investment portfolio.She wonders whether industry sector influences investment objective.Her staff prepared the following contingency table from a random sample of 200 common stocks.  Anita's null hypothesis is ______________.
A)"investment objective" is related to "industry sector" 
B)"investment objective" influences "industry sector" 
C)"investment objective" is not independent of "industry sector" 
D)"investment objective" is independent of "industry sector" 
E)"growth" and "income" are independent

Quizplus · Accepted Answer

The null hypothesis is the statement that the two variables, "investment objective" and "industry sector," are independent of each other. Therefore, the null hypothesis is that "investment objective" is independent of "industry sector."

Anita Cruz Recently Assumed Responsibility for a Large Investment Portfolio