Use the following data: 11, 14, 15, 19, 10. What's the standard deviation? Round your answer to the tenths place.

Question

 need standard deviation

Answer 1

Look up the standard deviation formula  in your book

then use the steps to calculate the standard deviation

1. Work out the Mean (the simple average of the numbers)
2. Then for each number: subtract the Mean and square the result
3. Then work out the mean of those squared differences.
4. Take the square root of that and you are done!