(c) Find the mean and median of the following observations. 15, 13, 15, 14, 16, 13, 13, 14, 12, 15, 10, 12.
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Answer:
Mean: 13.5
Median: 13.5
Step-by-step explanation:
How to Find the Mean
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
How to Find the Median
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
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