Author Question: The following data represent a sample of 10 scores on a 20-point statistics quiz: 16, 16, 16, 16, ... (Read 157 times)

Starlight · **on:** Jul 24, 2018

The following data represent a sample of 10 scores on a 20-point statistics quiz: 16, 16, 16, 16, 16, 18, 18, 20, 20, and 20 . After the mean, median, range and variance were calculated for the scores, it was discovered that one of the scores of 20 should have been an 18 . Which of the following will change when the calculations are redone using the correct scores?
a. mean and range
b. median and range
c. mean and variance
d. range and variance
e. mean, range, median and variance

Question 2

Which of the following is the name given to rejecting the null hypothesis when it is true?
a. Type A correct decision.
b. Type B correct decision.
c. Type I error.
d. Type II error.