Determine the interquartile range of each of the following sets of data: (a) 4,4, 6, 8, 10, 13, 15, 16, 20, 22, 23
(b) 11, 14, 14, 17, 19, 20, 20, 21, 22
(c) 2.3, 2.5, 2.5, 2.6, 2.8, 2.9, 3.0, 3.2
C.

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step-by-step explanation:

answer: its the third option.

step-by-step explanation:

i just took the test.

the total estimated nappy use.=10,500,000

step-by-step explanation:

given that on an average the average baby uses 3528 napkins.

in a particular year 2014, the number of births were 299697 in new south wales.

rounding off the number of births to the nearest hundred thousand we have

no of birtsh = 300000

also rounding off the average usage to nearst thousand we get

average use of a baby = 3500

hence total number of nappy estimated to be used = 3500x300000

= 10,500,000

answer is 10,500,000 nappies