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Mathematics 7 Online
OpenStudy (anonymous):

help please!!!!

OpenStudy (johnweldon1993):

So you need to find the upper and lower quartiles and then subtract them Have you found those?

OpenStudy (anonymous):

aww, man, i was going to help on this one

OpenStudy (johnweldon1993):

Go right ahead if you would like @TheBlackSnow

OpenStudy (anonymous):

its 14

OpenStudy (anonymous):

35 is middle not 31

OpenStudy (anonymous):

its very easy actually first you list the numbers out from least to greatist, so 31 33 (35) 41 43 | 46 48 (49) 49 50

OpenStudy (anonymous):

and then subtract those two

OpenStudy (anonymous):

i just started on this site today @johnweldon1993

OpenStudy (anonymous):

i can if u want

OpenStudy (johnweldon1993):

Yeah we both can if you need it :)

OpenStudy (anonymous):

:)

OpenStudy (anonymous):

with?

OpenStudy (anonymous):

so all the dots under the scale are a number

OpenStudy (anonymous):

so 18 25 28 33 42

OpenStudy (anonymous):

28 is the middle of both sides but it is also the end of both sides

OpenStudy (anonymous):

so 18 (25) 28 | 28 (33) 42

OpenStudy (anonymous):

whats 33 - 25?

OpenStudy (anonymous):

exactly, so was that ur question or are u still confused?

OpenStudy (anonymous):

if u see that term, it wants u to order the numbers from least to greatest and then cut them in half into two groups, and then take the middle number (or the median) from each group and subtract the second groups number from the first groups numberand to help a bit more, in this case, the number 25 is called q1, the number 33 is called q3

OpenStudy (anonymous):

which i assume means quartile

OpenStudy (anonymous):

i got 18

OpenStudy (anonymous):

wait

OpenStudy (anonymous):

its not 18

OpenStudy (anonymous):

let me check

OpenStudy (anonymous):

6.3333333

OpenStudy (anonymous):

u where right

OpenStudy (anonymous):

i cant help u with this one, i would just put c

OpenStudy (anonymous):

32

OpenStudy (anonymous):

3.2

OpenStudy (anonymous):

A

OpenStudy (anonymous):

sure

OpenStudy (twopointinfinity):

A: Line graph

OpenStudy (anonymous):

wheres the histogram?

OpenStudy (anonymous):

a looks correct

OpenStudy (anonymous):

it was just really zoomed in

OpenStudy (anonymous):

no, c

OpenStudy (anonymous):

its not giving much info, but c kinda makes more sense then a

OpenStudy (anonymous):

the one with the pic

OpenStudy (anonymous):

b

OpenStudy (anonymous):

A

OpenStudy (twopointinfinity):

Mahnoor!

OpenStudy (anonymous):

d

OpenStudy (anonymous):

good

OpenStudy (anonymous):

sure :3

OpenStudy (anonymous):

Identify the type of sample used. Coaches pick 20 boys and 20 girls randomly from the basketball league to survey about practice and game times. A. convenience B. simple random C. stratified random D. systematic

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