Give an appropriate answer.A statistics student takes a poll of her fellow students to find out which presidential candidate the sample of students favors. Based on her results, she makes a prediction about which candidate will win the election. Comment on the fairness of her prediction. What might she do to improve her poll?
What will be an ideal response?
Her poll may be biased. In particular, it is probably biased towards that portion of the population with ages between about 18 and 22. To improve the poll, she must poll persons in other age ranges and in different circumstances of employment and education.
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Verify that the given equation is an identity.sinh(x + y) = sinh x cosh y + cosh x sinh y
What will be an ideal response?
Solve the problem.Determine the effective annual yield for $1 invested for 1 year at 2.5% compounded quarterly.
A. -7.48% B. 2.52% C. 12.52% D. 1.25%
Simplify the expressions. Make all exponents positive.(-2x)3
A. -6x B. -8x3 C. -6x3 D. -8x
The table compares the national averages for an industry to the results for a given company in the industry. Identify any areas that might require attention by management and offer suggestions.
What will be an ideal response?