Click the icon to view the data. L...... Fomplete the frequency distribution below Voltage (volts) 122.7 - Frequency Type integers or decimals rounded to the nearest tenth as needed.) Does the result appear to have a normal distribution? Why or why not? O A. No, because the frequencies are not equal across the voltage classes O B. No, because the frequencies are roughly equal across the voltage classes OC. No, because the frequencies are randomly distributed O D. Yes, because the frequencies are roughly equal across the voltage classes OE Yes, because the frequencies start low, reach a maximum, then become low again, and are roughly symmetric about the maximum frequency

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Chapter1: Starting With Matlab
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Q3
Refer to the accompanying data set and use the 25 home voltage measurements to construct a frequency distribution with five classos. Begin with a lower class limit of 122.7 volts, and use a class width of 0.2 volt. Does the result appear to have a normal
distribution? Why or why not?
E Click the icon to view the data
......
Complete the frequency distribution below
Voltage (volts)
Frequency
122.7-
More Info
Voltage Measurements From a Home
Home
Home
Home
Home Full
Day (volts) Day (volts) Day (volts) Day (volts) data
123 2 set
122.9 D
123.0
123 2
122.9
8
123.4
22
122.9 15
16
17
(Type integers or decimals rounded to the nearest tenth as needed.)
2
123 2
123.3
23
123 4
123.2
123.4
123 5
122.7
122.9
24
25
Does the result appear to have a normal distribution? Why or why not?
10
11
123.4
123.1
123 2
123 2
123 1 21
123.0
18
19
4.
123.1
O A. No, because the frequencies are not equal across the voltage classes
12
13
6
20
123.5
O B. No, because the frequencies are roughly equal across the voltage classes
7
123.1
123.3
14
O C. No, because the frequencies are randomly distributed
O D. Yes, because the frequencies are roughly equal across the voltage classes.
O E. Yes, because the frequencies start low, reach a maximum, then become low again, and are roughly symmetric about the maximum frequency.
Print
Done
Transcribed Image Text:Refer to the accompanying data set and use the 25 home voltage measurements to construct a frequency distribution with five classos. Begin with a lower class limit of 122.7 volts, and use a class width of 0.2 volt. Does the result appear to have a normal distribution? Why or why not? E Click the icon to view the data ...... Complete the frequency distribution below Voltage (volts) Frequency 122.7- More Info Voltage Measurements From a Home Home Home Home Home Full Day (volts) Day (volts) Day (volts) Day (volts) data 123 2 set 122.9 D 123.0 123 2 122.9 8 123.4 22 122.9 15 16 17 (Type integers or decimals rounded to the nearest tenth as needed.) 2 123 2 123.3 23 123 4 123.2 123.4 123 5 122.7 122.9 24 25 Does the result appear to have a normal distribution? Why or why not? 10 11 123.4 123.1 123 2 123 2 123 1 21 123.0 18 19 4. 123.1 O A. No, because the frequencies are not equal across the voltage classes 12 13 6 20 123.5 O B. No, because the frequencies are roughly equal across the voltage classes 7 123.1 123.3 14 O C. No, because the frequencies are randomly distributed O D. Yes, because the frequencies are roughly equal across the voltage classes. O E. Yes, because the frequencies start low, reach a maximum, then become low again, and are roughly symmetric about the maximum frequency. Print Done
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