Author Question: If a data set is approximately normally distributed, then its normal probability plot will be ... (Read 120 times)

james · **on:** Jun 24, 2018

If a data set is approximately normally distributed, then its normal probability plot will be S-shaped.

Indicate whether the statement is true or false

Question 2

When the number n of nonzero differences in the sample is greater than 20, which of the following distributions provide a good approximation to the distribution of the Wilcoxon signed rank statistic?

A) The chi-square distribution
B) The normal distribution
C) The F distribution
D) The Student's t distribution