Mya practiced her penalty kicks with her brother as the goalie. The table shows the results of Mya's attempts
1 answer:
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Answer:
11.57
Step-by-step explanation:
We have a simple formula to solve this:
where
SS is sum of squares
s^2 is the variance, and
n is the number of data points
We are given all the info to find out s^2. Hence,