Find the median and mean of the data set below:12, comma, 38, comma, 13, comma, 44, comma, 1812,38,13,44,18Answer
Question
Find the median and mean of the data set below:12, comma, 38, comma, 13, comma, 44, comma, 1812,38,13,44,18Answer
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Solution
To find the mean (average) of the data set, you need to add all the numbers together and then divide by the count of numbers.
Here's how you do it:
- Add all the numbers together: 12 + 38 + 13 + 44 + 18 = 125
- Count the numbers: There are 5 numbers in the data set.
- Divide the sum by the count: 125 ÷ 5 = 25
So, the mean of the data set is 25.
To find the median (the middle number), you need to arrange the numbers in order from smallest to largest and then find the number that is in the middle.
Here's how you do it:
- Arrange the numbers in order: 12, 13, 18, 38, 44
- Find the middle number: Since there are 5 numbers, the middle number is the third one, which is 18.
So, the median of the data set is 18.
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