Author Question: The scatter plot for a set of X and Y values shows the data points clustered in a nearly perfect ... (Read 123 times)

imowrer · **on:** Jun 20, 2018

The scatter plot for a set of X and Y values shows the data points clustered in a nearly perfect circle. For these data, what is the most likely value for the correlation?

A) a positive correlation near 0
B) a negative correlation near 0
C) either positive or negative near 0
D) a value near +1.00 or 1.00

Question 2

For a population with = 80 and = 20, the distribution of sample means based on n = 16 will have an expected value of ____ and a standard error of ____.

A) 5; 80
B) 80; 5
C) 20; 20
D) 80; 1.25