Find the mean of the following data:9, 7, 11, 13, 2, 4, 5, 5
Question
Find the mean of the following data:9, 7, 11, 13, 2, 4, 5, 5
Solution
To find the mean (average) of the data, follow these steps:
- Add up all the numbers: 9 + 7 + 11 + 13 + 2 + 4 + 5 + 5 = 56
- Count how many numbers there are: There are 8 numbers in the data set.
- Divide the sum of the numbers by the count of the numbers: 56 ÷ 8 = 7
So, the mean of the data set is 7.
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