18. You Explain It! Quartiles One variable that is measured by online homework systems is the amount of time a student spends on homework for each section of the text. The following is a summary of the number of minutes a student spends for each section of the text for the fall 2018 semester in a College Algebra class at Joliet Junior College. Q₁ = 42 Q₂ = 51.5 Q3 = 72.5 (a) Provide an interpretation of these results. (b) Determine and interpret the interquartile range.
18. You Explain It! Quartiles One variable that is measured by online homework systems is the amount of time a student spends on homework for each section of the text. The following is a summary of the number of minutes a student spends for each section of the text for the fall 2018 semester in a College Algebra class at Joliet Junior College. Q₁ = 42 Q₂ = 51.5 Q3 = 72.5 (a) Provide an interpretation of these results. (b) Determine and interpret the interquartile range.
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Author:Amos Gilat
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
Transcribed Image Text:18. You Explain It! Quartiles One variable that is measured by
online homework systems is the amount of time a student
spends on homework for each section of the text. The following
is a summary of the number of minutes a student spends for
each section of the text for the fall 2018 semester in a College
Algebra class at Joliet Junior College.
Q₁ = 42 Q₂ = 51.5 Q3 = 72.5
(a) Provide an interpretation of these results.
(b) Determine and interpret the interquartile range.

Transcribed Image Text:(c) Suppose a student spent 2 hours doing homework for a
section. Is this an outlier?
(d) Do you believe that the distribution of time spent doing
homework is skewed or symmetric? Why?
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