Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are equal Refer to the accompanying data set. Use a 0.05 significance level to test the claim that the sample of home voltages and the sample of generator voltages are from populations with the same mean. If there is a statistically significant difference, does that difference have practical significance? Click the icon to view the data for home voltages and generator voltages. C Let , be the population mean home voltage and let µ₂ be the population mean generator voltage. What are the null and alternative hypotheses? OA. Ho H₁ H2 OB. Ho H₁ P2 H₁ H₁ H₂ H₁ H = H₂ OD. H₂ H₁ H₁ H₁ H₂ OC. Ho H₁ = H2 H₂ Hy Hy> H₂ Calculate the test statistic t= (Round to three decimal places as needed) Find the P-value P-value= (Round to four decimal places as needed) statistically significant Make a conclusion about the null hypothesis and a final conclusion that addresses the original claim Ho There sufficient evidence to warrant rejection of the claim that the sample of home voltages and the sample of generator voltages are from populations with the same mean. The difference If there is a statistically significant difference, does that difference have practical significance? QA The sample means suggest that the difference does not have practical significance The generator could not be used as a substitute when needed. Next
Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are equal Refer to the accompanying data set. Use a 0.05 significance level to test the claim that the sample of home voltages and the sample of generator voltages are from populations with the same mean. If there is a statistically significant difference, does that difference have practical significance? Click the icon to view the data for home voltages and generator voltages. C Let , be the population mean home voltage and let µ₂ be the population mean generator voltage. What are the null and alternative hypotheses? OA. Ho H₁ H2 OB. Ho H₁ P2 H₁ H₁ H₂ H₁ H = H₂ OD. H₂ H₁ H₁ H₁ H₂ OC. Ho H₁ = H2 H₂ Hy Hy> H₂ Calculate the test statistic t= (Round to three decimal places as needed) Find the P-value P-value= (Round to four decimal places as needed) statistically significant Make a conclusion about the null hypothesis and a final conclusion that addresses the original claim Ho There sufficient evidence to warrant rejection of the claim that the sample of home voltages and the sample of generator voltages are from populations with the same mean. The difference If there is a statistically significant difference, does that difference have practical significance? QA The sample means suggest that the difference does not have practical significance The generator could not be used as a substitute when needed. Next
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
The data table is in the pic
Options for the last part are:
A = (in pic)
B = the sample means suggest that the difference does have practical significance. the generator could not be used as a substitute when needed.
C = The sample means suggest that the difference does not have practical significance. the generator could be used as a substitute when needed.
D= the difference is not statistically significant
Please help.
Thanks so much. :)
Transcribed Image Text:fi
- X
Data for Home Voltages and Generator Voltages
Complete data set
Day Home (volts) Generator (volts) Day Home (volts) Generator (volts)
1
123.2
124.4
21
123.5
124.0
2
123.7
124.3
22
123.4
124.5
3
123.8
125.2
23
123.4
124.4
4
123.2
124.0
24
123.7
124.8
5
123.1
124.9
25
123.4
124.3
6
123.2
124.3
26
123.3
124.7
7
123.0
125.4
27
123.4
124.6
8
123.1
124.5
28
123.6
124.3
9
123.5
125.0
29
123.5
124.0
10
123.7
124.7
30
123.6
124.6
11
123.2
124.8
31
123.9
124.3
12
123.4
124.8
32
123.2
124.9
13
123.3
124.1
33
123.8
124.6
14
123.2
124.7
34
123.9
124.2
15
123.3
124.8
35
123.4
124.0
16
124.0
124.9
36
123.0
125.0
17
124.4
124.4
37
123.3
124.7
18
123.5
124.6
38
123.3
124.6
19
123.3
124.9
39
123.2
124.1
20
123.5
124.7
40
123.3
124.3
Transcribed Image Text:Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are equal.
Refer to the accompanying data set. Use a 0.05 significance level to test the claim that the sample of home voltages and the sample of generator voltages are from populations with the same mean. If there is a statistically significant difference, does that
difference have practical significance?
Click the icon to view the data for home voltages and generator voltages.
Let µ, be the population mean home voltage and let μ₂ be the population mean generator voltage. What are the null and alternative hypotheses?
OA. Ho H1 <H₂
B. Ho H₁ H₂
H₁: M₁ = H₂
H₁ H₁ = H₂
OC. Ho H1 H2
D. Ho: M1 = 2
H₁: Hy > H₂
H₁ H1 H₂
Calculate the test statistic.
t= (Round to three decimal places as needed.)
Find the P-value.
P-value = (Round to four decimal places as needed.)
Make a conclusion about the null hypothesis and a final conclusion that addresses the original claim.
statistically significant
Ho. There
sufficient evidence to warrant rejection of the claim that the sample of home voltages and the sample of generator voltages are from populations with the same mean. The difference
If there is a statistically significant difference, does that difference have practical significance?
OA. The sample means suggest that the difference does not have practical significance. The generator could not be used as a substitute when needed.
Next
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