Author Question: If the value of the Pearson correlation between two variables is r = +1.00 or 1.00, then all data ... (Read 67 times)

eruditmonkey@yahoo.com · **on:** Jun 20, 2018

If the value of the Pearson correlation between two variables is r = +1.00 or 1.00, then all data points in a scatter plot will fit perfectly on a straight line.

Indicate whether the statement is true or false

Question 2

A random sample of n = 16 scores is obtained from a normal population with = 40 and = 8. What is the probability that the sample mean will be within 2 points of the population mean?

A) 0.3830
B) 0.6826
C) 0.8664
D) 0.9544