Is this correct? 1. The table below gives process times for two different systems running aseries of computation tasks. A system administrator wishes to utilize a t-testwith 95% confidence to assess whether or not the two systems performdifferently.Test ATest BTest CTest DTest ESystem Alpha4592213374System Beta56862442802. Are these samples independent, dependent, or paired?C a.independentO b.dependentc. pairedFill in the remaining values in the difference table:Test ATest BTest CTest DTest EBeta-AlphaDifference1139.6.What is the average difference?7 What is the t-statistic value for this test?-0.015One-Sample StatisticsStd. ErrorNMeanStd. DeviationMeanVARO0001553.000029.3683513.13393VARO0002557.600025.8998111.5827553 - 57.6-4.6= -0.015862.6670.81+306.68What is the standard deviation of the difference?3.08One-Sample StatisticsStd. ErrorMeanStd. DeviationMeanVAR0000357.00003.082211.37840What are the bounds of the 95% confidence interval for difference with3.1710.83values to the nearest tenth:sd<.3.08Df =4= 4, .05 = 2.78. 2.78( = 3.83. 7- 3.83 = 3.17 7 + 3.83 = 10.83%3D%3DV5If testing the null hypothesis d=0 at 95% confidence, what is the resultingconclusion?a. fail to reject null hypothesisO b.reject null hypothesis

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1. The table below gives process times for two different systems running a series of computation tasks. A system administrator wishes to utilize a t-test with 95% confidence to assess whether or not the two systems perform differently. Test A Test B Test C Test D Test E System Alpha 45 92 21 33 74 System Beta 56 86 24 42 80 Are these samples independent, dependent, or paired? C a.independent | b.dependent c. paired in the remaining values in the difference table: Test A Test B Test C Test D Test E a-Alpha ference 11 3 9. What is the average difference? 7 2.

1. The table below gives process times for two different systems running a series of computation tasks. A system administrator wishes to utilize a t-test with 95% confidence to assess whether or not the two systems perform differently. Test A Test B Test C Test D Test E System Alpha 45 92 21 33 74 System Beta 56 86 24 42 80 Are these samples independent, dependent, or paired? C a.independent | b.dependent c. paired in the remaining values in the difference table: Test A Test B Test C Test D Test E a-Alpha ference 11 3 9. What is the average difference? 7 2.

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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Is this correct?

1. The table below gives process times for two different systems running a
series of computation tasks. A system administrator wishes to utilize a t-test
with 95% confidence to assess whether or not the two systems perform
differently.
Test A
Test B
Test C
Test D
Test E
System Alpha
45
92
21
33
74
System Beta
56
86
24
42
80
2. Are these samples independent, dependent, or paired?
C a.independent
O b.dependent
c. paired
Fill in the remaining values in the difference table:
Test A
Test B
Test C
Test D
Test E
Beta-Alpha
Difference
11
3
9.
6.
What is the average difference?
7

What is the t-statistic value for this test?
-0.015
One-Sample Statistics
Std. Error
N
Mean
Std. Deviation
Mean
VARO0001
5
53.0000
29.36835
13.13393
VARO0002
5
57.6000
25.89981
11.58275
53 - 57.6
-4.6
= -0.015
862.6
670.81
+
306.68
What is the standard deviation of the difference?
3.08
One-Sample Statistics
Std. Error
Mean
Std. Deviation
Mean
VAR00003
5
7.0000
3.08221
1.37840
What are the bounds of the 95% confidence interval for difference with
3.17
10.83
values to the nearest tenth:
sd<.
3.08
Df =4= 4, .05 = 2.78. 2.78( = 3.83. 7- 3.83 = 3.17 7 + 3.83 = 10.83
%3D
%3D
V5
If testing the null hypothesis d=0 at 95% confidence, what is the resulting
conclusion?
a. fail to reject null hypothesis
O b.reject null hypothesis

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