Question

What is the interquartile range (IQR) of the data?

Answer 1

http://static.k12.com/calms_media/media/1546500_1547000/1546632/2/10e332b039a2b9dfebc776b2f16fb8ff050d7b0f/MS_IMA_10_10_lesson_manuscript_UNIT_CHECKPOINT_Art_07.jpg

Answer 2

@texaschic101

Answer 3

@confluxepic @confluxepic @texaschic101 @TheSmartOne @iambatman

Answer 4

can you expand out that stem and leaf plot?

Answer 5

Yes

Answer 6

what do you get when you do so?

Answer 7

31,33,37,40,40,43,47,48,50,52,56,58

Answer 8

correct

Answer 9

now find the median of this data set

Answer 10

43

Answer 11

nope

Answer 12

between 43 and 47? right??

Answer 13

yes, average those values

Answer 14

how...

Answer 15

add them up and divide by 2

Answer 16

it's the same as finding the midpoint

Answer 17

ok srry i was gone

Answer 18

that's fine

Answer 19

its 45

Answer 20

median = 45, yes

Answer 21

focus on just the first half of the data set

31,33,37,40,40,43

so the first 6 values

what is the median here?

Answer 22

38.5

Answer 23

yes, so Q1 = 38.5

Answer 24

focus on the other half of the data set

47,48,50,52,56,58

what is the median?

Answer 25

51

Answer 26

yes

Answer 27

Q1 = 38.5
Q3 = 51

Answer 28

IQR = Q3 - Q1