Suppose Bank of America (B of
A) would like to investigate if credit score and income level of an individual are independent of one another. B of A selected a random sample of 400 adults and asked them to report their credit score range and their income range. The following contingency table presents these results.
Credit Score
Income Less than 650 650-750 More than 750
Less than $50,000 26 30 24
$50,000 to less than $100,000 63 53 44
$100,000 to less than $150,000 40 30 30
More than $150,000 21 17 22
Using ? = 0.01, the critical value for this hypothesis test is ________.
A) 9.488
B) 12.592
C) 13.277
D) 16.812
D
You might also like to view...
Marketers should be skilled in stimulating demand for a company's products. Just as production and logistics professionals are responsible for supply management, marketers are responsible for demand management. Marketing managers seek to influence the level, timing, and composition of demand to meet the organization's objectives. List and briefly describe the eight different demand states.
The cash value and surrender value on a life insurance policy may differ because of
A) accidental death benefits. B) dividends. C) improved survival probabilities. D) surrender charges.