Author Question: The mean is the preferred measure of central tendency when a. the scale of measurement is ... (Read 63 times)

TFauchery · **on:** Jun 20, 2018

The mean is the preferred measure of central tendency when

a. the scale of measurement is interval.
b. the scale of measurement is ordinal, interval, or ratio and the distribution is skewed.
c. the scale of measurement is ratio.
d. the distribution is symmetrical and the scale of measurement is interval or ratio.

Question 2

Which measure of central tendency is appropriate if the shape of the distribution is symmetrical and the measurement scale is interval or ratio?

a. the mode c. the mean
b. the median d. the deviation