Voltage Measurements From a Home Home Home Home Home Full Day (volts) Day (volts) Day (volts) Day (volts) data 22 127.6 set 23 127.3 9 24 127.4 25 127.5 127.4 9. 127.7 127.5 127.3 127.4 127.5 1 127.3 127.5 127.7 127.6 127.2 127.6 127.6 15 16 17 18 19 20 21 2 127.8 3 127.6 4 10 127.8 128.0 127.2 7 11 12 13 14 127.9 127.7 127.6
Voltage Measurements From a Home Home Home Home Home Full Day (volts) Day (volts) Day (volts) Day (volts) data 22 127.6 set 23 127.3 9 24 127.4 25 127.5 127.4 9. 127.7 127.5 127.3 127.4 127.5 1 127.3 127.5 127.7 127.6 127.2 127.6 127.6 15 16 17 18 19 20 21 2 127.8 3 127.6 4 10 127.8 128.0 127.2 7 11 12 13 14 127.9 127.7 127.6
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
100%
Refer to the accompanying data set (see attached image) and use the 25 home voltage measurements to construct a frequency distribution with five classes. Begin with a lower class limit of 127.1 volts, and use a class width of 0.2 volts. Does the result appear to have a normal distribution? Why or why not?
Does the result appear to have a normal distribution? Why or why not?
A. No, because the frequencies are roughly equal across the
voltage
classes.B. No, because the frequencies are not equal across the voltage classes.
C. No, because the frequencies are randomly distributed.
D. Yes, because the frequencies are roughly equal across the voltage classes.
E. Yes, because the frequencies start low, reach a maximum, then become low again,
and are roughly symmetric
![Voltage Measurements From a Home
Home
Home
Home
Home Full
Day (volts) Day (volts) Day (volts) Day (volts) data
22
127.6 set
23
127.3 9
24
127.4
25
127.5
127.4
9.
127.7
127.5
127.3
127.4
127.5
1
127.3
127.5
127.7
127.6
127.2
127.6
127.6
15
16
17
18
19
20
21
2
127.8
3
127.6
4
10
127.8
128.0
127.2
7
11
12
13
14
127.9
127.7
127.6](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4075dd7b-7cf0-4080-a9ab-c20ff4793850%2F3520335a-818f-4aa0-b24e-accd4724ea04%2F4369y74.png&w=3840&q=75)
Transcribed Image Text:Voltage Measurements From a Home
Home
Home
Home
Home Full
Day (volts) Day (volts) Day (volts) Day (volts) data
22
127.6 set
23
127.3 9
24
127.4
25
127.5
127.4
9.
127.7
127.5
127.3
127.4
127.5
1
127.3
127.5
127.7
127.6
127.2
127.6
127.6
15
16
17
18
19
20
21
2
127.8
3
127.6
4
10
127.8
128.0
127.2
7
11
12
13
14
127.9
127.7
127.6
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