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Mathematics 16 Online
OpenStudy (asad786):

WILL MEDAL http://prntscr.com/8i49qo

Nnesha (nnesha):

first find mean of that data

Nnesha (nnesha):

mean = average

OpenStudy (asad786):

MEAN IS ALL ADDED THEN DIVIDED BY HOW MANY NUMERS THERE ARE RIGHT srry about caps

Nnesha (nnesha):

yes right.

OpenStudy (asad786):

ok 1 sec

Nnesha (nnesha):

first) find the mean 2nd) find distance from the mean and each value 3rd) find the mean of distance data :=)

Nnesha (nnesha):

ok

OpenStudy (asad786):

mean is 12.75

Nnesha (nnesha):

yes right now find distance between mean and data subtract mean from each value of the data like 12.75 - 4 12.75 - 18

OpenStudy (asad786):

@Hero

OpenStudy (asad786):

oh ok

OpenStudy (asad786):

4=8.75

OpenStudy (asad786):

18=-25

OpenStudy (asad786):

-5.25

Nnesha (nnesha):

each distance is an absolute mean deviation \[\rm \left| distance = mean ~deviation \right| = always ~positive \] so \[\left| 12.75-18 \right|= 5.25\]

OpenStudy (asad786):

oh

OpenStudy (asad786):

/12.75-13=.25

OpenStudy (asad786):

right

Nnesha (nnesha):

so you can't have the negative sign so 12.75 - 4= `8.75` 12.75 - 18 = `5.25`

Nnesha (nnesha):

yes right !

OpenStudy (asad786):

ok

OpenStudy (asad786):

what do i do after

Nnesha (nnesha):

find the distance between all points 12.75-16= ? 12.75- 8= ?

Nnesha (nnesha):

12.75-11=?

OpenStudy (asad786):

16=3.25

OpenStudy (asad786):

8=4.75

OpenStudy (asad786):

11=1.75

Nnesha (nnesha):

yes right now find the mean of distance points `8.75 , 5.25 , .25, 3.25 , 4.75, 3.25, 3.25 ,1.75`

OpenStudy (asad786):

1 sec

Nnesha (nnesha):

ok :=)

OpenStudy (asad786):

30.5

Nnesha (nnesha):

\(\color{blue}{\text{Originally Posted by}}\) @Asad786 MEAN IS ALL ADDED THEN DIVIDED BY HOW MANY NUMERS THERE ARE RIGHT srry about caps \(\color{blue}{\text{End of Quote}}\) ^^that's how we should find mean :=)

OpenStudy (asad786):

lol can i have medal too

Nnesha (nnesha):

MEAN IS ALL ADDED THEN DIVIDED BY `HOW MANY NUMERS THERE ARE `RIGHT

Nnesha (nnesha):

divide by the number of numbers 30.5 isn't the answer

OpenStudy (asad786):

oh so what is

OpenStudy (asad786):

oh yeah forgot

OpenStudy (asad786):

3.8125

Nnesha (nnesha):

looks good ,good job!

OpenStudy (asad786):

thx

Nnesha (nnesha):

np :=)

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