The limitation of covariance as a descriptive measure of association is that it
A) only captures positive relationships.
B) does not capture the units of the variables.
C) is very sensitive to the units of the variables.
D) is invalid if one of the variables is categorical.
Correct Answer:
Verified
Q23: Relationships between two variables are less evident
Q24: Examples of comparison problems include
A)salary broken down
Q25: Displaying all correlations between 0.6 and 0.999
Q26: We study relationships among numerical variables using
A)pie
Q27: One characteristic of "paired variables" is that
A)one
Q29: Which correlation coefficient suggests the strongest relationship?
A)+1
B)-1
C)0
D)+0.5
Q30: Correlation and covariance measure the
A)strength of a
Q31: Which of the following are considered numerical
Q32: Statisticians often refer to the pivot tables
Q33: Scatterplots are also referred to as
A)crosstabs.
B)contingency charts.
C)X-Y
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