Correlation can be affected by the measurement scales applied to X and Y variables.
a. True
b. False
Indicate whether the statement is true or false
Question 2
Which of the following conditions is needed regarding the chi-squared test statistic for the test of variance?
a. The population random variable must be normal.
b. The test statistic must be a non-negative number.
c. The test statistic must have a chi-squared distribution with n - 1 degrees of freedom.
d. All of these choices are true.
