Author Question: If a distribution is normal with = 50 and = 10, then what proportion of the scores will fall ... (Read 98 times)

Brittanyd9008 · **on:** Jun 20, 2018

If a distribution is normal with = 50 and = 10, then what proportion of the scores will
fall between 20 and 80?

a. .3413
b. .6826
c. .9544
d. .9974

Question 2

The value of Xs is affected by the size of the sample and the _____ .

a. mean of scores in the sample
b. mean of the population
c. variance of the population
d. shape of the frequency distribution