Author Question: If the union of several events covers the entire sample space, it is said these events are: A) ... (Read 109 times)

james9437 · **on:** Jun 24, 2018

If the union of several events covers the entire sample space, it is said these events are:

A) mutually exclusive.
B) mutually related.
C) mutually apart.
D) collectively exhaustive.

Question 2

What would you conclude if a sample correlation coefficient is equal to -1.00?

A) All the data points must fall exactly on a straight line with a positive slope.
B) All the data points must fall exactly on a straight line with a negative slope.
C) Most of the data points must fall exactly on a straight line with a positive slope
D) Most of the data points must fall exactly on a horizontal straight line