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The median.

If there are an odd number of elements in the set, there is a middle number which is the median.

If there are an even number of elements in the set, the median is the mean of the middle two numbers.

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Q: What is the middle number in set of data?
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Continue Learning about Statistics

What does the measure of central tendency describe in a data set?

It describes the "middle" of the data set.It describes the "middle" of the data set.It describes the "middle" of the data set.It describes the "middle" of the data set.


Which measure of central tendency represents the middle number in a set of data?

The median.


Definition of mean median and mode?

Mean is the average of the data set values. Median is the middle number in the data set (set up in ascending or descending order). Mode is the data value (or values) that occur the most number of times.


Mean median mode and range?

Mean: Add all of the numbers in the data set, then divide by the amount of numbers in the set of data. Median: Order the numbers from least to greatest and find the middle number. If there is more than one number in the middle, add the 2 numbers together, then divide by two. Mode: To find the mode, look for the number that appears most in the data set. If there is a tie, write them both down. Range: To determine the range, subtract the smallest number to the biggest number.


Does the median have to be arranged from least to greatest?

The most common definition of the median is that given a set of data values it is the middle value of the data set when it has been arranged in ascending order. So, while the median is the number in the middle of a data set. Sometimes there is no single number in the middle in which case we take the mean of the two middle numbers. Weather you order the values from smallest to largest or largest to smallest, the middle will still be the same, in spite of the common definition using ascending order. For example 1,2,5,6,8 The median is 5. If I write those numbers are 8,6,5,2,1 the 5 is still the middle number in the set. With an even number of data values, such as 1,2,4,6,8,11, the median is the mean of 4 and 6 which is 5. If I write that set from largest to smallest the median is the same. So the median is the middlemost number. In most math classes, students are told to arrange the numbers from smallest to largest, however, you can see that this really makes no difference.