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MATLAB: An Introduction with Applications

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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Question

130 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
0.
17
0.1308
17
1
17
0.1308
34
2.
13
0.1
47
19
0.1462
66
11
77
17
0.1308
94
6.
17
0.1308
111
0.1462
7.
a. Complete the table (Use 4 decimal places when applicable)
b. What is the cumulative relative frequency for flossing 1 time per week?
40
Submit Question
elf
SIT Coudy
4.

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70 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 0 5 0.0714 5 1 11 0.1571 16 2 11 0.1571 27 3 7 0.1 34 4 7 0.1 41 5 7 0.1 48 6 8 0.1143 7 70 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 2 times per week? %
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130 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 0.1077 14 13 0.1 27 13 40 3 15 0.1154 55 4 19 0.1462 74 5. 21 0.1615 6. 13 0.1 108 22 0.1692 130 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 2 times per week? Submit Question
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