The standard deviation for a set of data is 6.5. The mean is 255. What is the Margin of Error?

Question

asked Nov 12, 2021 2.9k views

2 Answers

Blake Lockley · Answer 1 · 2021-11-19T13:23:35+0000

Answer: The margin of error is 12.74.

Explanation:

Since we have given that

Standard deviation = 6.5

Mean = 255

Let 95% level of significance,

So, z value = 1.96

We need to find the "Margin of error":

So, it becomes :

Margin of error = Standard deviation × z-value

Margin of error =
6.5* 1.96=12.74

Hence, the margin of error is 12.74.