28-29 fast pleaseQuestions 28-29 refer to the following:A hypothesis is conducted to see if a new algorithm is faster than an old one. Eight problems are solved twice, the first time using the old algorithm and the second time using the new algorithm. Of interest is the average decrease in time. The difference data ( old-new ) is calculatedProgramOld (time in seconds)New (time in seconds)Difference ( old - new)18.056.31.75224.7412.112.64328.3319.58.8348.455.632.8259.1910.21-1.02625.225.4-0.2714.0510.23.85820.3314.635.70 The distribution of the test is:Group of answer choicesNormalstudent-t with df 8student-t with df 7Unable to determine The conclusion to the test isGroup of answer choicesThe new algorithm is not faster than the old oneThe new algorithm is the same as the old oneThe new algorithm is different from the old oneThe new algorithm is faster than the old one

Answered: Image /qna-images/answer/a489c249-9108-4b77-bedf-6343f6d1820f.jpg

Answered: The conclusion to the test is Group of…

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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28-29 fast please

Questions 28-29 refer to the following:

A hypothesis is conducted to see if a new algorithm is faster than an old one. Eight problems are solved twice, the first time using the old algorithm and the second time using the new algorithm. Of interest is the average decrease in time. The difference data ( old-new ) is calculated

Program	Old (time in seconds)	New (time in seconds)	Difference ( old - new)
1	8.05	6.3	1.75
2	24.74	12.1	12.64
3	28.33	19.5	8.83
4	8.45	5.63	2.82
5	9.19	10.21	-1.02
6	25.2	25.4	-0.2
7	14.05	10.2	3.85
8	20.33	14.63	5.70