Author Question: A nonparametric statistical test should be used when . a. the population distributions are normal ... (Read 88 times)

storky111 · **on:** Aug 1, 2018

A nonparametric statistical test should be used when .

a. the population distributions are normal
b. more than two groups are compared
c. the values of the independent variable are skewed
d. the dependent variable represents either nominal or ordinal measurement

Question 2

The probabilities that a batch of 4 computers will contain 0, 1, 2, 3, and 4 defective computers are 0.4096, 0.4096, 0.1536, 0.0256, and 0.0016, respectively. Find the standard deviation for the probability distribution.

A) 0.64 B) 1.13 C) 0.80 D) 0.75