A sample data set with a mean of 685 and a standard deviation of 39.8 has a bell-shaped distribution. What range of values include approximately 68% of the data?
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Thank you for asking this question. The options for this question are missing. Here are the missing options:
a. between 645.2 and 724.8
b. between 605.4 and 764.6
c. between 565.6 and 804.4
d. between 656.2 and 703.8
Answer
The answer for this question is Option A
Here the mean will either be 39.8 lower than the mean or 39.8 which is higher than the mean.
685-39.8 will be equal to 645.2
685+39.8 will be equal to 724.8
If there is any confusion please leave a comment below.
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