Refer to the accompanying data set and use the 25 home voltage measurements to construct a frequency distribution with five classes. Begin with a lower class limit of 127.0 volts, and use a class width of 0.2 volt. Does the result appear to have a normal distribution? Why or why nE Click the icon to view the data.Complete the frequency distribution below.- XMore InfoVoltage (volts)127.0 - 127.22 - 127.4Frequency127.2127.4Voltage Measurements From a HomeHome127.6HomeHomeHome Full-Day (volts) Day (volts) Day (volts) Day (volts) data127.8 set127,9 D127.2127.4127.6 -127.81127.38127.315127.722127.8 - 128.0127.0127.42127.016127.623(Type integers or decimals rounded to the nearest tenth as needed310127.6 17127.5 24127.2127.1127.8127.64 127.611127.5 18255 127.812127.8196 127.1127.520127.3137127.11421PrintDone

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Refer to the accompanying data set and use the 25 home voltage measurements to construct a frequency distribution with five classes. Begin with a lower class limit of 127.0 volts, and use a class width of 0.2 volt. Does the result appear to have a normal distribution? Why or why n E Click the icon to view the data. Complete the frequency distribution below. - X More Info Voltage (volts) 127.0 - 127.2 127.2- 127.4 127.4-127.6 127.6-127.8 127.8-128.0 (Type integers or decimals rounded to the nearest tenth as needed Frequency Voltage Measurements From a Home Home Home Full Day (volts) Day (volts) Day (volts) Day (volts) data 22 127.8 set 23 127.9 24 127.2 127.4 Home Home 8 127.3 15 127.7 9 127.0 10 127.6 11 127.5 12 127.8 13 127.5 20 127.3 21 127.3 127.0 1 127.6 16 17 3 127.4 127.5 18 127.6 127.8 6. 127.2 25 19 4 127.1 7 127.1 127.8 127.6 127.1 14 Print Done

Refer to the accompanying data set and use the 25 home voltage measurements to construct a frequency distribution with five classes. Begin with a lower class limit of 127.0 volts, and use a class width of 0.2 volt. Does the result appear to have a normal distribution? Why or why n E Click the icon to view the data. Complete the frequency distribution below. - X More Info Voltage (volts) 127.0 - 127.2 127.2- 127.4 127.4-127.6 127.6-127.8 127.8-128.0 (Type integers or decimals rounded to the nearest tenth as needed Frequency Voltage Measurements From a Home Home Home Full Day (volts) Day (volts) Day (volts) Day (volts) data 22 127.8 set 23 127.9 24 127.2 127.4 Home Home 8 127.3 15 127.7 9 127.0 10 127.6 11 127.5 12 127.8 13 127.5 20 127.3 21 127.3 127.0 1 127.6 16 17 3 127.4 127.5 18 127.6 127.8 6. 127.2 25 19 4 127.1 7 127.1 127.8 127.6 127.1 14 Print Done

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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Concept explainers

Inverse Normal Distribution

The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.

Mean, Median, Mode

It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.

Z-Scores

A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.

Topic Video

Question

Refer to the accompanying data set and use the 25 home voltage measurements to construct a frequency distribution with five classes. Begin with a lower class limit of 127.0 volts, and use a class width of 0.2 volt. Does the result appear to have a normal distribution? Why or why n
E Click the icon to view the data.
Complete the frequency distribution below.
- X
More Info
Voltage (volts)
127.0 - 127.2
2 - 127.4
Frequency
127.2
127.4
Voltage Measurements From a Home
Home
127.6
Home
Home
Home Full
-
Day (volts) Day (volts) Day (volts) Day (volts) data
127.8 set
127,9 D
127.2
127.4
127.6 -
127.8
1
127.3
8
127.3
15
127.7
22
127.8 - 128.0
127.0
127.4
2
127.0
16
127.6
23
(Type integers or decimals rounded to the nearest tenth as needed
3
10
127.6 17
127.5 24
127.2
127.1
127.8
127.6
4 127.6
11
127.5 18
25
5 127.8
12
127.8
19
6 127.1
127.5
20
127.3
13
7
127.1
14
21
Print
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