he tables at the end of this document list the homework and final test grades for two sections of Statistics I taught be

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he tables at the end of this document list the homework and
final test grades for two sections of Statistics I taught
before coming to WCC. Answer each of the following questions to
analyze this data.
Why do you think each section has more homework grades than
final test grades? How might we explain this difference?
Organize the homework grades for each section into two frequency
tables – one for each section. For each table, start your first
class interval at 0, and use a class interval size of 10.
Draw a histogram for each of the frequency tables you created in
the last question for the homework grades in each section.
Calculate the mean and median of the final test scores for
each section. Based on your answer, which section performed better
on the final test?
Calculate the mean and median of the homework scores for each
section. Based on your answer, which section performed better on
the homework?
Given your answers to questions #3 and #4, describe any
conclusions you may draw on the relationship between homework
grades and final test grades.
The standard deviation of the final test grades for section
A is 20.84, while the standard deviation of final test grades
for section B is 17.86. Which section had more consistent final
test grades?
Section A Homework 60 53.52 58.62 50.76 35.45 54.66 43.82
60 33.54 23.76 13.65 31.35 45.66 41.42 31.62 57.24 60 46.64 60
55.44 45.84 46.26 60
Section A Final test 113
79
84
95
69 107
62 116
49 102
83
97
97 119 104 114
71
78
53 108
Section B Homework 60
60 26.4
60
48
59 52.7 59.6 34.7 51.5 45.2 53.5 33.4 54.1 51.7 36.6 52.5 49.9 41.6
41.2 55.9 55.8 58.4 44.4 42.6 18.5 59.8 14.5
Section B Final test 104 108 101 111
86 105
83
95
74
63 405
83 101
92 101
85
92
33
91 102
99 100
90
76
59
72 115