In calculating the Pearson correlation (r) , the ______ hypothesis implies ______.

A) null; the hypothesized population mean
B) null; the two variables are unrelated to each other
C) alternative; the means are not all equal
D) alternative; there is no relationship

A person conducting research asks customers at a grocery store, "Which is your favorite snack cracker?" This variable may best be described as being measured at the ______ level of measurement.

A) nominal
B) ordinal
C) interval
D) ratio

In regression analysis, the independent variable is a variable whose value is known and is being used to explain or predict the value of another variable.

What test would you want to use to test a directional research hypothesis?

A) one-tailed test
B) two-tailed test
C) nonparametric test
D) frequency test

Compute the size of the deposit that is required every year to have a future value of $376,500 at the end of 23 years if the interest rate is 5% compounded annually. Use Tables 23-1A and 23-1B or a calculator.​

Refer to Zenix Electronic. Compute the amount of depreciation taken in the second year. ​