What is the variance of the following data? If necessary, round your answer to two decimal places.12, 13, 8, 13, 9, 11, 12, 9, 11

Question

directrix · Answer

What is the formula for variance of a data set? Are you allowed to use technology to get the answer?

anonymous · Answer

yes

directrix · Answer

If you are allowed to use technology, then go to the online variance calculator at the following link: http://easycalculation.com/statistics/standard-deviation.php Enter the data with no spaces as: 12,13,8,13,9,11,12,9,11 Please post what you get and we can compare answers.

directrix · Answer

@mariya18
What answer did you get?

anonymous · Answer

1/8=0.125
1/4=0.25
1/2=0.5
Explain how could you get from one row to another