Question

The standard deviation for a set of data is 6.5. The mean is 255

What is the margin of error?
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Answer 1

Answer: 13/2

Step-by-step explanation: Convert 6.5 to a fraction which would be 65/10. Then, reduce the fraction with 5 which would become 13/2.

Answer 2

As standard deviation is 6.5,and standard deviation is the error margin so 6.5 is the margin of error.