The answer is median and mode
How to Find the mean and median
- Add up all data values to get the sum
- Count the number of values in your data set
- Divide the sum by the count
- The mean is the same as the average value in a data set.
- The median x˜ is the data value separating the upper half of a data set from the lower half.
- Arrange data values from lowest to highest value
- The median is the data value in the middle of the set
- If there are 2 data values in the middle the median is the mean of those 2 values.
- For the data set 1, 1, 2, 5, 6, 6, 9 the median is 5.
- For the data set 1, 1, 2, 6, 6, 9 the median is 4. Take the mean of 2 and 6 or, (2+6)/2 = 4.
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