Author Question: Grouped simple frequency distributions are most efficient when you have a. many levels of nominal ... (Read 102 times)

cdr_15 · **on:** Jun 20, 2018

Grouped simple frequency distributions are most efficient when you have

a. many levels of nominal or ordinal data.
b. many levels of interval or ratio data.
c. qualitative data.
d. more than ten intervals.

Question 2

On any normal distribution the 50th percentile corresponds with a z score
of

a. 0
b. 50
c. 68
d. + 1