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Mathematics 6 Online
OpenStudy (anonymous):

how do you find the range and mean of a set of numbers?

OpenStudy (mertsj):

To find the range, subtract the smallest data point from the largest one. To find the mean, find the average since the mean is the average.

OpenStudy (anonymous):

find the average?

OpenStudy (mertsj):

Yes.

OpenStudy (anonymous):

how do you find the average?

OpenStudy (mertsj):

Let's say you have 5 test scores and they are: 90, 80, 75, 95, and 70 What is your average score?

OpenStudy (anonymous):

80?

OpenStudy (anonymous):

You have to add up all 5 of the scores and divide it by 5 So basically to find the average/mean you have to add up the data then divide the sum by the number of data you divided

OpenStudy (mertsj):

How did you find that?

OpenStudy (anonymous):

EXAMPLE What is the Mean of these numbers? 6, 11, 7 Add the numbers: 6 + 11 + 7 = 24 Divide by how many numbers (there are 3 numbers): 24 / 3 = 8 The Mean is 8

OpenStudy (anonymous):

idk why he didn't just tell me to do to that smh.

OpenStudy (anonymous):

Haha i dont know .. is that going to be it?

OpenStudy (anonymous):

the median is putting the numbers in order and picking the middle one? and the mode is picking the number that is repeated?

OpenStudy (anonymous):

That is correct.

OpenStudy (anonymous):

i forgot what to do if you have 2 modes?

OpenStudy (anonymous):

You keep both of them.

OpenStudy (anonymous):

Do you mean 2 medians? If that is the case you find their mean (Add the numbers, then divide by how many numbers there are in this case 2)

OpenStudy (anonymous):

yeah that's what i meant lol sorry. thanks.

OpenStudy (anonymous):

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