题目
OSC 2030-009 Fall 2025 Exam 1
单项选择题
A sample of people who have attended a football game at the U has a mean = 3.2 members in their family. The mode number of family members is 2 and the median number is 2.0. Based on this information:
选项
A.the distribution is left-skewed
B.the distribution is right-skewed
C.the distribution is not skewed
D.the distribution is bell-shaped
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标准答案
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思路分析
When evaluating skewness from measures of central tendency, a common heuristic is that the mean is pulled in the direction of the tail of the distribution.
Option 1: 'the distribution is left-skewed' would typically ......Login to view full explanation登录即可查看完整答案
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