Find the median and mean of the data set below:29, comma, 41, comma, 41, comma, 7, comma, 40, comma, 2, comma, 129,41,41,7,40,2,1
Question
Find the median and mean of the data set below:29, comma, 41, comma, 41, comma, 7, comma, 40, comma, 2, comma, 129,41,41,7,40,2,1
Solution 1
Sure, let's start with arranging the data set in ascending order:
1, 2, 7, 29, 40, 41, 41, 41, 129
Now, let's find the median. The median is the middle number in a sorted, ascending or descending, list of numbers. This data set has 9 numbers, so the median is the 5th number, which is 40.
Next, let's find the mean. The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are.
1 + 2 + 7 + 29 + 40 + 41 + 41 + 41 + 129 = 331
Now, divide 331 by 9 (the total number of data points):
331 ÷ 9 = 36.78 (rounded to two decimal places)
So, the median of the data set is 40 and the mean is 36.78.
Solution 2
Sure, let's start with arranging the data set in ascending order:
1, 2, 7, 29, 40, 41, 41, 41, 129
Next, let's find the median. The median is the middle number in a sorted, ascending or descending, list of numbers. This data set has 9 numbers, so the median is the 5th number, which is 40.
Now, let's find the mean. The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are.
1 + 2 + 7 + 29 + 40 + 41 + 41 + 41 + 129 = 331
Then we divide by 9 (the total number of data points):
331 ÷ 9 = 36.78 (rounded to two decimal places)
So, the median of the data set is 40 and the mean is 36.78.
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