Nonparametric statistics should be used when we ______.

A) cannot assume we have normally distributed data
B) can assume we have normally distributed data
C) do not know the sample size
D) have continuous variables

The power of the test refers to the probability of rejecting a false null hypothesis.

The Bay is offering "no money down, and no payments for a year." The total cost of a purchase of electronic equipment is $3500 including taxes. What monthly payment is required to pay off this debt in two years, if payments start in one year, and the Bay charges interest at 2% per month? What is the amount of interest that the purchaser pays overall?

Erin has invested in both an equity mutual fund and a bond mutual fund. Her financial advisor told her that her overall portfolio rose in value by 1.1% last year. Erin noted in the newspaper that the equity fund lost 3.3% last year while the bond fund rose 7.7%. To the nearest 0.1%, what percentage of her portfolio was in the equity fund at the beginning of the year?

Use the properties of logarithms to expand $\ln x^2(y-5)$ .

A) $2\ln x+\ln (y-5)$
B) $2\ln x+\frac{\ln y}{\ln 5}$
C) $(\ln x{)}^2+\frac{\ln y}{\ln 5}$
D) $(\ln x{)}^2(\ln y-\ln 5)$
E) $2(\ln x+\ln (y-5)\; )$