Author Question: Using a normal curve table, the percentage of scores between a Z score of 1.29 and a Z score of 1.49 ... (Read 142 times)

urbanoutfitters · **on:** Jun 20, 2018

Using a normal curve table, the percentage of scores between a Z score of 1.29 and a Z score of 1.49 is

A) 0.54
B) 3.04
C) 7.49
D) 83.34

Question 2

If the unbiased estimate of the population's variance is 15, the variance of the distribution of means is

A) 15/20 = 0.75
B) 15/19 = 0.79
C) 152/20 = 11.25
D) 152/19 = 11.84