Ms. Garcia gave her students a biology test last week. Here are the test scores for each of the sixteen students. 83 78 81 Test scores 82 77 86 80 78 90 79 Send data to calculator Test scores 71.5 to 75.5 75.5 to 79.5 79.5 to 83.5 83.5 to 87.5 (a) Complete the grouped frequency distribution for the data. (Note that the class width is 4.) 87.5 to 91.5 85 73 X 74 Frequency 0 89 5 84 74 (b) Using the classes from part (a), draw the frequency polygon for the data. Note that you can add or remove classes from the figure. Label each class with its midpoint. Frequency 5+ 4+ 3+ 2+ 1 0- Test scores X - 15
Ms. Garcia gave her students a biology test last week. Here are the test scores for each of the sixteen students. 83 78 81 Test scores 82 77 86 80 78 90 79 Send data to calculator Test scores 71.5 to 75.5 75.5 to 79.5 79.5 to 83.5 83.5 to 87.5 (a) Complete the grouped frequency distribution for the data. (Note that the class width is 4.) 87.5 to 91.5 85 73 X 74 Frequency 0 89 5 84 74 (b) Using the classes from part (a), draw the frequency polygon for the data. Note that you can add or remove classes from the figure. Label each class with its midpoint. Frequency 5+ 4+ 3+ 2+ 1 0- Test scores X - 15
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Ms. Garcia gave her students a biology test last week. Here are the test scores for each of the sixteen students.
83
79
78 82 77
81
Test scores
80
78
Send data to calculator
Test scores
71.5 to 75.5
75.5 to 79.5
79.5 to 83.5
(a) Complete the grouped frequency distribution for
the data. (Note that the class width is 4.)
83.5 to 87.5
87.5 to 91.5
86
X
90
85
74 84 74
73 89
Frequency
S
(b) Using the classes from part (a), draw the frequency
polygon for the data. Note that you can add or remove
classes from the figure. Label each class with its
midpoint.
Frequency
4+
3+
2+
L
Test scores
0:00 00:0
X
?
10
A
8
Aa
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