Question

The arithmetic mean of given data will be 67, 65, 71, 57, 45

• A. 71
• B. 72
• C. 61
• D. 62

Hint:

The arithmetic mean is simply the sum of all data values divided by the number of data points.

Answer 1

The Correct Option is C

The mean is calculated as: \[\n\text{Mean} = \frac{\text{Sum of data}}{\text{Number of data points}}\n\] The sum of the data is: \[\n67 + 65 + 71 + 57 + 45 = 305\n\] With 5 data points, the mean is: \[\n\text{Mean} = \frac{305}{5} = 61\n\] Therefore, the answer is 61.