MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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90 adults with gum disease were asked the number of times per week they used to floss before their
diagnoses. The (incomplete) results are shown below:
# of times floss per week
Frequency
Relative Frequency
Cumulative Frequency
9
0.1
9
1
0.0778
16
17
0.1889
33
3
14
0.1556
4
13
60
5
0.0667
66
6.
13
0.1444
79
7
11
0.1222
90
a. Complete the table (Use 4 decimal places when applicable)
b. What is the cumulative relative frequency for flossing 2 times per week?
2.
Transcribed Image Text:90 adults with gum disease were asked the number of times per week they used to floss before their diagnoses. The (incomplete) results are shown below: # of times floss per week Frequency Relative Frequency Cumulative Frequency 9 0.1 9 1 0.0778 16 17 0.1889 33 3 14 0.1556 4 13 60 5 0.0667 66 6. 13 0.1444 79 7 11 0.1222 90 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 2 times per week? 2.
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