On a recent fundraising drive, most of the 30 volunteers raised between $10 and $50 each. However, Brian and Karen each raised over $100. Which of the following is true?

a. The amounts of money raised by Brian and Karen are outliers.
b. The data would best be represented three-dimensionally.
c. The data appear negatively skewed.
d. The data should be represented on a back-to-back stem-and-leaf display.


A

Psychology

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