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8. Sociology: High-school Dropouts What percentage of the general U.S. population are
high-school dropouts? The Statistical Abstract of the United States, 120th Edition,
gives the percentage of high-school dropouts by state. For convenience, the data are
sorted in increasing order.
5 6 7 7 7 7 8 8 8 8
8 9 9 9 9 9 9 9 10 10
10 10 10 10 10 10 11 11 11 11
11 11 11 11 12 12 12 12 13 13
13 13 13 13 14 14 14 14 14 15
(a) Make a box-and-whisker plot and find the interquartile range.
(b) Wyoming has a dropout rate of about 7%. Into what quartile does this rate fall?

Submitted: 344 days and 8 hours ago.
Category: Math
Value: $9
Status: CLOSED
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Already Tried:
(Note: 3.3 -- problems 8 and 10: For the box-and-whisker plots, submit only the lowest value, Q1, median, Q3, and highest value, instead of making the plot. This is the five-number summary for the box-and-whisker plot. Be sure to draw the box-and-whisker plots by hand for your own practice.)

Accepted Answer

(A)
IQR = 3.25
Minimum = 5
Q1 = 9
Median = 10
Q3 = 12.25
Maximum = 15

(B)
Q1 = 9, and since 7 < 9, so into Q1.

Sincerely,
Sk1llz

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Expert: Sk1llz
Pos. Feedback: 100.0 %
Accepts: 
Answered: 12/13/2008

Mastermind

Mathematics, Statistics and Physics

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