A useful way of comparing the distribution of a numerical variable across categories of some categorical variable is with
A) a side-by-side box plot.
B) a side-by-side pivot table.
C) a side-by-side plot or side-by-side pivot table.
D) neither a side-by-side box plot nor side-by-side pivot table.
Correct Answer:
Verified
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
Q35: The most common data format is
A)long.
B)short.
C)stacked.
D)unstacked.
Q36: If the correlation of variables is close
Q37: A line or curve superimposed on a
Q38: Correlation is useful only for
A)assessing the weakness
Q39: We can infer that there is a
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