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solve for the mean and median of the following data: 20, 10, 15, 18, 12, 17
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Mean and Median

solve for the mean and median of the following data: 20, 10, 15, 18, 12, 17

Mean

To find the mean of a data set, use the formula:

mean = sum of the data points/number of the data points

We will determine the sum of the data points.

- 20 + 10 + 15 + 18 + 12 + 17 = 92

Since the number of data points is 6, we will divide the sum and the number of data points as shown in the formula above.

- 92/6
- 15.3



- The mean of the data set is 15.3.

Median

To find the median of the data set, arrange the data set into ascending order and the value in the middle is the median. The median should be an even number.

- 20, 10, 15, 18, 12, 17
- 10, 12, 15, 17, 18, 20

The middle value is 15 and 17. Find out their sum and divide it into 2.

- 15 + 17/2
- 32/2
- 16



- The median of the data set is 16.

Wxndy~~
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