Ten years after Brown v. Board of Ed, approximately 20 percent of southern African-Americans attended integrated schools

You can create a ____________ variable by subtracting the mean from each value and dividing the remainder by the standard deviation.

Fill in the blank(s) with the appropriate word(s).

Criminal defendants do have some degree of success on appeal about ____ percent of the time.

a. 20 b. 35 c. 44 d. 51