Nineteen people were asked how many miles, to the nearest mile, they commute to work each day. The data are as follows: 2; 5; 7; 3; 2; 10; 18; 15; 20; 7; 10; 18; 5; 12; 13; 12; 4; 5; 10. Table 1.14 was produced: DATA 3 4 5 7 10 12 13 15 18 FREQUENCY 20 3 1 3 2 3 2 1 1 1 RELATIVE FREQUENCY 1 31 16 19 19 3 19 19 19 19 19 Table 1.14 Frequency of Commuting Distances 19 1 19 CUMULATIVE RELATIVE FREQUENCY 0.1579 0.2105 0.1579 0.2632 0.4737 0.7895 0.8421 0.8948 0.9474 1.0000 a. Is the table correct? If it is not correct, what is wrong? b. True or False: Three percent of the people surveyed commute three miles. If the statement is not correct, what should it be? If the table is incorrect, make the corrections.
Nineteen people were asked how many miles, to the nearest mile, they commute to work each day. The data are as follows: 2; 5; 7; 3; 2; 10; 18; 15; 20; 7; 10; 18; 5; 12; 13; 12; 4; 5; 10. Table 1.14 was produced: DATA 3 4 5 7 10 12 13 15 18 FREQUENCY 20 3 1 3 2 3 2 1 1 1 RELATIVE FREQUENCY 1 31 16 19 19 3 19 19 19 19 19 Table 1.14 Frequency of Commuting Distances 19 1 19 CUMULATIVE RELATIVE FREQUENCY 0.1579 0.2105 0.1579 0.2632 0.4737 0.7895 0.8421 0.8948 0.9474 1.0000 a. Is the table correct? If it is not correct, what is wrong? b. True or False: Three percent of the people surveyed commute three miles. If the statement is not correct, what should it be? If the table is incorrect, make the corrections.
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:Nineteen people were asked how many miles, to the nearest mile, they commute to work each day. The data are
as follows: 2; 5; 7; 3; 2; 10; 18; 15; 20; 7; 10; 18; 5; 12; 13; 12; 4; 5; 10. Table 1.14 was produced:
DATA
3
4
5
7
10
12
13
15
18
20
FREQUENCY
3
1
3
2
3
2
1
1
1
1
RELATIVE
FREQUENCY
[39 19 30 21940219
19
19
7
19
19
T
19
Table 1.14 Frequency of Commuting Distances
CUMULATIVE
RELATIVE
FREQUENCY
0.1579
0.2105
0.1579
0.2632
0.4737
0.7895
0.8421
0.8948
0.9474
1.0000
a. Is the table correct? If it is not correct, what is wrong?
b.
True or False: Three percent of the people surveyed commute three miles. If the statement is not correct,
what should it be? If the table is incorrect, make the corrections.
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