Luke records the number of birds that visit his bird table. The numbers recorded last week were 8, 12, 14, 9, 8, 10, and 13. What are the mean and standard deviation for this data?

1 Answer
Astralboy
Mar 1, 2017

Mean is 10.57 and standard deviation is 2.25.

Explanation:

Plug the numbers into your graphing calculator. Go to stat #-># edit and then plug your numbers into any one column.

Then go to stat #-># calc #-># 1 var stats. Make sure you choose the column that you put your numbers in. The mean is x bar is and standard deviation is sigma x since this is a sample

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