Find the median and mean of the data set below:33, comma, 28, comma, 46, comma, 41, comma, 9, comma, 1433,28,46,41,9,14
Question
Find the median and mean of the data set below:33, comma, 28, comma, 46, comma, 41, comma, 9, comma, 1433,28,46,41,9,14
Solution 1
Sure, let's start with arranging the data set in ascending order: 9, 14, 28, 33, 41, 46.
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To find the median: The median is the middle number in a sorted, ascending or descending, list of numbers. Since we have 6 numbers, we take the average of the 3rd and 4th numbers. So, (28+33)/2 = 30.5. The median is 30.5.
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To find the mean: The mean is the average of all numbers and is found by adding all numbers in the list and then dividing by the quantity of numbers. So, (9+14+28+33+41+46)/6 = 28.5. The mean is 28.5.
Solution 2
Sure, let's find the median and mean of the given data set step by step.
Data Set:
33, 28, 46, 41, 9, 14
Step 1: Arrange the Data in Ascending Order
First, we need to sort the data in ascending order: 9, 14, 28, 33, 41, 46
Step 2: Find the Median
The median is the middle value of a data set. If the number of data points is odd, the median is the middle number. If the number of data points is even, the median is the average of the two middle numbers.
In this case, we have 6 data points (an even number), so the median will be the average of the 3rd and 4th values in the sorted list.
3rd value: 28 4th value: 33
Median = (28 + 33) / 2 = 61 / 2 = 30.5
Step 3: Find the Mean
The mean is the average of all the numbers in the data set. To find the mean, sum all the numbers and then divide by the number of data points.
Sum of the data points: 9 + 14 + 28 + 33 + 41 + 46 = 171
Number of data points: 6
Mean = Sum of data points / Number of data points = 171 / 6 = 28.5
Summary
- Median: 30.5
- Mean: 28.5
So, the median of the data set is 30.5 and the mean is 28.5.
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