MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Students in a statistics class took their second test. The following are the scores they earned. Create a frequency distribution and histogram for the data using a lower class limit of 49.5 and a class width of 10. Describe the shape of the distribution.

98
82
87
79
71
79
76
69
64
66
60
64
63
62
60
53
50
56
59
51
57
55
56
56
55

a) Since data were collected for            variable(s), the correct graph to make is a       .

b) For this one the class width is given to be the following:  class width = 

    Complete the frequency/relative frequency table using the given class width.

c) Which of the following is the correct histogram for the given data?

(If using a screenreader and you cannot see the options, use "message instructor" and include a copy of your histogram for hand grading.)

   d) What shape is the histogram above?  

    Round relative frequencies to 3 decimal places.

a) Since data were collected for ? Select an answer variable(s), the correct graph to make is a
Select an answer
b) For this one the class width is given to be the following: class width=
Complete the frequency/relative frequency table using the given class width.
Round relative frequencies to 3 decimal places.
Classes
49.5-
Frequency
O
c) Which of the following is the correct histogram for the given data?
(If using a screenreader and you cannot see the options, use "message instructor" and include a copy of
your histogram for hand grading.)
10
8
·
6
10
8
Frequency
49.5
59.5
69.5
79.5
Histogram for Test 2 Score
Relative Frequency
89.5 99.5
expand button
Transcribed Image Text:a) Since data were collected for ? Select an answer variable(s), the correct graph to make is a Select an answer b) For this one the class width is given to be the following: class width= Complete the frequency/relative frequency table using the given class width. Round relative frequencies to 3 decimal places. Classes 49.5- Frequency O c) Which of the following is the correct histogram for the given data? (If using a screenreader and you cannot see the options, use "message instructor" and include a copy of your histogram for hand grading.) 10 8 · 6 10 8 Frequency 49.5 59.5 69.5 79.5 Histogram for Test 2 Score Relative Frequency 89.5 99.5
Frequency
O
O
Frequency
Frequency
8
6
N
10
8
6
-14
12
10
8
6
4
Select an answer
left-skewed
right-skewed
d) bell-shaped
uniform
Select an answer ✓
49.5
49.5
49.5
59.5
69.5
79.5
Histogram for Test 2 Score
79.5
59.5 69.5
Histogram for Test 2 Score
79.5
69.5
Histogram for Test 2 Score
59.5
histogram above?
89.5
89.5
89.5
99.5
99.5
Q
99.5
expand button
Transcribed Image Text:Frequency O O Frequency Frequency 8 6 N 10 8 6 -14 12 10 8 6 4 Select an answer left-skewed right-skewed d) bell-shaped uniform Select an answer ✓ 49.5 49.5 49.5 59.5 69.5 79.5 Histogram for Test 2 Score 79.5 59.5 69.5 Histogram for Test 2 Score 79.5 69.5 Histogram for Test 2 Score 59.5 histogram above? 89.5 89.5 89.5 99.5 99.5 Q 99.5
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