Our statistical inferences for means are based on samples from Normal population
ID: 2908923 • Letter: O
Question
Our statistical inferences for means are based on samples from Normal populations. Which of the following would indicate that a dataset is not “bell-shaped?”
there are no outliers
the range is larger than the interquartile range
the mean is much smaller than the median
about 70% of the data lies within one standard deviation of the sample mean
A.there are no outliers
B.the range is larger than the interquartile range
C.the mean is much smaller than the median
D.about 70% of the data lies within one standard deviation of the sample mean
Explanation / Answer
C) The mean is much smaller than the median
If a distribution is bell shaped, then the mean and median would be same. All other options are true for bell shaped distribution.
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