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Q: What is the median of 2 4 4 4 5 5 9 11 11 13?

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Mean: add the numbers and divide by how many numbers there are: mean = (13 + 11 + 7 + 4 + 5 + 4 + 8) ÷7 = 52 ÷ 7 = 7 3/7 ≈ 7.429 Median: sort the numbers into order and the median is the one in the middle: {13, 11, 7, 4, 5, 4, 8} → {4, 4, 5, 7, 8, 11, 13} → median = 7 Mode: the most frequent. Using the sorted list from the median calculation, it is easy to see that the number 4 appears twice, but the other numbers only appear once → mode = 4 mode is the only average that does not have to be a number; for example a survey of people's favourite drinks may have one which is more popular than the others, in which case that is the "mode drink".

What is the median of 11, 99, 62, 30 and 4

23/4 ÷ 2 = 11/8 or 13/8

When there is an even number of data items the median is the mean average of the middle two. → median of {2, 3, 4, 5, 7, 9} = (4 + 5)/2 = 9/2 = 4.5

1, 2, 2, 3, 4, 4, 5, 7, 8 Mean: 4 Median: 4 Mode: 2 and 4

Related questions

median of {5, 15, 9, 13} is 11 To find the median of a dataset sort the data into order and the median is the middle one; if there are an even number of items in the dataset, then the median is the mean average of the middle two. {5, 15, 9, 13} → {5, 9, 13, 15} There are 4 data items, → median is mean of {9, 13} = (9 + 13) / 2 = 11.

It is 9.

The median is 17.5

It is 11.5

4

The answer is 8.5

Mean: add the numbers and divide by how many numbers there are: mean = (13 + 11 + 7 + 4 + 5 + 4 + 8) ÷7 = 52 ÷ 7 = 7 3/7 ≈ 7.429 Median: sort the numbers into order and the median is the one in the middle: {13, 11, 7, 4, 5, 4, 8} → {4, 4, 5, 7, 8, 11, 13} → median = 7 Mode: the most frequent. Using the sorted list from the median calculation, it is easy to see that the number 4 appears twice, but the other numbers only appear once → mode = 4 mode is the only average that does not have to be a number; for example a survey of people's favourite drinks may have one which is more popular than the others, in which case that is the "mode drink".

It is 9, the middle number when they are listed in order.

Mean = 11 Median = 11 Mode = 4 Range = 18

equivalent fractions for 11/13 = 22/26, 33/39, 44/52, 55/65,... To get the equivalent fractions of 11/13: Multiply 11/13 by 2/2, 3/3, 4/4, 5/5,... 11/13 * 2/2 = 22/26 11/13 * 3/3 = 33/39 11/13 * 4/4 = 44/52 11/13 * 5/5 = 55/65

The median is 13.

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