If a sample consists of the following data values, what is the sample mean?13, 91, 44, 28, 54, 16, 48, 74A.46B.41C.56D.51SUBMITarrow_backPREVIOUS
Question
If a sample consists of the following data values, what is the sample mean?
Data values: 13, 91, 44, 28, 54, 16, 48, 74
A. 46
B. 41
C. 56
D. 51
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Solution
To calculate the sample mean, you need to add all the data values together and then divide by the number of data values.
Here are the steps:
- Add all the data values together: 13 + 91 + 44 + 28 + 54 + 16 + 48 + 74 = 368
- Count the number of data values: There are 8 data values.
- Divide the sum of the data values by the number of data values: 368 ÷ 8 = 46
So, the sample mean is 46. Therefore, the answer is A.46.
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