Multiple Choice
Which of the following best describes the correlation coefficient?
A) it is a standardized measure and can take on values from -1 to +1
B) it is the covariance of two variables divided by the product of the individual standard deviations
C) values near -1 represent a strong negative linear relationship
D) for samples it is denoted by rxy
E) all of the above
Correct Answer:

Verified
Correct Answer:
Verified
Q78: The 50<sup>th</sup> percentile of a data set:<br>A)cannot
Q79: The empirical rule states that approximately 95.9%
Q80: The table below shows the number of
Q81: A graphical device for depicting qualitative data
Q82: If the interquartile range of a data
Q84: Positive values of the covariance indicate a
Q85: The heights in inches of the 14
Q86: The table below shows the number of
Q87: Profits (in $millions) for Caldwell-Hewitt's US Division
Q88: Below is a list of file sizes