What is the mean, median, mode, and range of the following numbers?: {1,2,3,4,5,6,7,8,9}

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What is the mean, median, mode, and range of the following numbers?: {1,2,3,4,5,6,7,8,9}

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Answer 1 · 2017-09-03T18:01:22

Mean $=5$ and Median = $5$

There is no mode

Range = $9-1=8$

Explanation:

We have the distribution:

$1,2,3,4,5,6,7,8,9$

The Range is the difference between the highest and the lowest - an indication of how far the numbers are spread out.

range $= 9-1=8$

Mode, median and mean are all regarded as different types of average, they give different information.

The Mode is the value with the highest frequency - the one that occurs the most often. There is no mode in this case because each number occurs exactly once.

The median is the number exactly in the middle of a set of numbers arranged in order.

There are $9$ numbers, the middle one is $5$
There are $4$ numbers on each side.

$color(blue)(1,2,3,4,)color(red)(5),color(blue)(6,7,8,9)$

The mean is what is generally understood as 'average'

Mean = $"sum of the values"/"the number of values"$

Mean $= (1+2+3+4+5+6+7+8+9)/9$

$=45/9 =5$

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What is the mean, median, mode, and range of the following numbers?: {1,2,3,4,5,6,7,8,9}

1 Answer

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