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crickel40pa8sxe
14.07.2019 •
Mathematics
Suppose that a histogram of a data set is approximately symmetric and "bell shaped". approximately what percent of the observations are within one standard deviation of the mean? a. 99.7% b. 50% c. 68% d. 95%
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Ответ:
The empirical rule tells you 68% of normally-distributed observations are within 1 standard deviation of the mean.
This is a number you may want to memorize, along with the numbers for 2 (95%) and 3 (99.7%) standard deviations.
Ответ:
c. 68%
Step-by-step explanation:
The 68-95-99.7 Rule states that, for normally distributed samples:
68% of the measures are within 1 standard deviation of the mean.
95% of the measures are within 2 standard deviations of the mean.
99.7% of the measures are within 3 standard deviations of the mean.
So
Approximately what percent of the observations are within one standard deviation of the mean?
c. 68%
Ответ:
idk
Step-by-step explanation:
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