The following data were obtained in an experiment designed to check whetherthere is a systematic difference in the weights obtained with two different scales:1SpecimenScale 1 (X) 11.23 14.36 8.33 10.50 23.42 9.15 13.47 6.47 12.40 19.38Scale 2 (Y) | 11.27 14.41 8.35 10.52 23.41 9.17 13.52 6.46 12.45 19.35234578910(a) Use the paired t test at the 0.05 level of significance to try to establish thatthe mean difference of the weights obtained with the two scales is nonzero.(b) Find a 95% confidence interval for the mean difference if the weightsobtained with the two scales.

a)To test:H0:μd=0H1:μd≠0where μd=μ1-μ2

The following data were obtained in an experiment designed to check whether there is a systematic difference in the weights obtained with two different scales: 1 2 5 6 7 Specimen Scale 1 (X) | 11.23 14.36 8.33 10.50 23.42 9.15 13.47 6.47 12.40 19.38 Scale 2 (Y) | 11.27 14.41 8.35 10.52 23.41 9.17 13.52 6.46 12.45 19.35 3 8 10 (a) Use the paired t test at the 0.05 level of significance to try to establish that the mean difference of the weights obtained with the two scales is nonzero. (b) Find a 95% confidence interval for the mean difference if the weights obtained with the two scales.

The following data were obtained in an experiment designed to check whether there is a systematic difference in the weights obtained with two different scales: 1 2 5 6 7 Specimen Scale 1 (X) | 11.23 14.36 8.33 10.50 23.42 9.15 13.47 6.47 12.40 19.38 Scale 2 (Y) | 11.27 14.41 8.35 10.52 23.41 9.17 13.52 6.46 12.45 19.35 3 8 10 (a) Use the paired t test at the 0.05 level of significance to try to establish that the mean difference of the weights obtained with the two scales is nonzero. (b) Find a 95% confidence interval for the mean difference if the weights obtained with the two scales.

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

100%

The following data were obtained in an experiment designed to check whether
there is a systematic difference in the weights obtained with two different scales:
1
Specimen
Scale 1 (X) 11.23 14.36 8.33 10.50 23.42 9.15 13.47 6.47 12.40 19.38
Scale 2 (Y) | 11.27 14.41 8.35 10.52 23.41 9.17 13.52 6.46 12.45 19.35
2
3
4
5
7
8
9
10
(a) Use the paired t test at the 0.05 level of significance to try to establish that
the mean difference of the weights obtained with the two scales is nonzero.
(b) Find a 95% confidence interval for the mean difference if the weights
obtained with the two scales.

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