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Mathematics 7 Online
OpenStudy (anonymous):

(3 pt) Match the term in Column A to the answer in Column B. Table with key of three one means thirty one Column A Column B 1. mean 2. median 3. mode 4. range A. 70 B. 72 C. 74 D. 76 E. 27

OpenStudy (anonymous):

how do you do this

OpenStudy (mysticfury):

okay wheres the data set?

OpenStudy (anonymous):

please help me someone

OpenStudy (anonymous):

please help me someone

OpenStudy (mysticfury):

is there a table or graph or something?

OpenStudy (anonymous):

what do i do

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

leaf plot

OpenStudy (mysticfury):

okay can i see the leaf plot please, its very essential to the problem :D

OpenStudy (anonymous):

i do not now how to show you

OpenStudy (mysticfury):

okay then ill walk you through it...... what we need to do is get all of our numbers. and put them in order from least to greatest , can you do that?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

62

OpenStudy (anonymous):

65 72 72 74 75 87 88 89

OpenStudy (mysticfury):

okay good now we have our numbers :) now we need to know what it asks which is to find the mean, median, mode and range.... mean = add all numbers up , divide by how many numbers there are median = middle number mode= number that occurs most often range = subtract the largest number from the smallest number so, using the numbers in order can you find the mode and median?

OpenStudy (anonymous):

i do not now how

OpenStudy (anonymous):

do you

OpenStudy (mysticfury):

i just told you above ^^^ 62, 65 ,72 ,72, 74, 75 ,87 ,88 ,89 lets find the mode, which number occurs the most ?

OpenStudy (anonymous):

72

OpenStudy (mysticfury):

correct so the mode is 72 now we can find the median , which is the number in the middle of the data set. which number is that?

OpenStudy (anonymous):

74

OpenStudy (mysticfury):

correct, now lets find the mean. we need to add all the numbers up and then divide the total by how many numbers there are

OpenStudy (anonymous):

5

OpenStudy (mysticfury):

try that again... 62,+ 65+ ,72+ ,72+, 74+, 75+ ,87 +,88 +,89 = 684 divide 684 by 9 because thats how many numbers there are .. 684 divided by 9 = 76

OpenStudy (anonymous):

ok

OpenStudy (mysticfury):

so now we just need the range.. the range is the biggest number subtracted from the smallest number

OpenStudy (mysticfury):

so 89 - 62

OpenStudy (anonymous):

27

OpenStudy (mysticfury):

so heres what we have found mode = 72 mean = 74 range = 27 mean = 76 and those are your answers :D good work!

OpenStudy (anonymous):

thank you

OpenStudy (mysticfury):

your welcome, i hope you understand it a little better now :)

OpenStudy (anonymous):

yes

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