In an experiment to determine whether there is a systematic difference between the weights obtained with two different scales, 10 rock specimens were weighed, in grams, on each scale. The following data were obtained: Specimen Weight on Scale 1 Weight on Scale 2 1 12.35 12.96 2 15.94 16.43 3 9.00 8.77 4 11.76 11.99 5 24.36 24.11 6 10.52 10.27 7 14.14 14.60 8 7.38 7.11 9 13.39 13.07 10 21.51 20.90 Send data to Excel Let μ1 represent the mean weight on Scale 1 and =μd−μ1μ2 . Can you conclude that the mean weight on Scale 1 is greater than the mean weight on Scale 2? Use the =α0.05 level of significance. Step1: State the null and alternate hypotheses. Step 2: Choose a significance level and find the critical value. Step 3: Compute the test statistic. Step4: Determine whether to reject H0
In an experiment to determine whether there is a systematic difference between the weights obtained with two different scales, 10 rock specimens were weighed, in grams, on each scale. The following data were obtained: Specimen Weight on Scale 1 Weight on Scale 2 1 12.35 12.96 2 15.94 16.43 3 9.00 8.77 4 11.76 11.99 5 24.36 24.11 6 10.52 10.27 7 14.14 14.60 8 7.38 7.11 9 13.39 13.07 10 21.51 20.90 Send data to Excel Let μ1 represent the mean weight on Scale 1 and =μd−μ1μ2 . Can you conclude that the mean weight on Scale 1 is greater than the mean weight on Scale 2? Use the =α0.05 level of significance. Step1: State the null and alternate hypotheses. Step 2: Choose a significance level and find the critical value. Step 3: Compute the test statistic. Step4: Determine whether to reject H0
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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Question
In an experiment to determine whether there is a systematic difference between the weights obtained with two different scales, 10 rock specimens were weighed, in grams, on each scale. The following data were obtained:
Specimen | Weight on Scale 1 | Weight on Scale 2 |
1
|
12.35
|
12.96
|
2
|
15.94
|
16.43
|
3
|
9.00
|
8.77
|
4
|
11.76
|
11.99
|
5
|
24.36
|
24.11
|
6
|
10.52
|
10.27
|
7
|
14.14
|
14.60
|
8
|
7.38
|
7.11
|
9
|
13.39
|
13.07
|
10
|
21.51
|
20.90
|
Send data to Excel
Let
μ1
represent the
=μd−μ1μ2
.
Can you conclude that the mean weight on Scale 1 is greater than the mean weight on Scale 2? Use the
=α0.05
level of significance.
Step1: State the null and alternate hypotheses.
Step 2: Choose a significance level and find the critical value.
Step 3: Compute the test statistic.
Step4: Determine whether to reject H0
.
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