6. Calculate Semi-Inter-Quartile Range and the Co-efficient ofQ.D. from the following dataMarks0-1010-20 20-3030-4040-5050-6060-7070-8080-90No. of Students111825283033221522

Answered: Image /qna-images/answer/59152365-9bd3-419f-936a-386d3edcc2b2.jpg

Answered: 6. Calculate Semi-Inter-Quartile Range…

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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X zy Section 5.4 - QNT/275T: Statistics X /chapter/5/section/4 ision Making home > tween two population means ypothesis test for the difference between two population means. Jump to level 1 The mean voltage and standard deviation of 12 batteries from each manufacturer were measured. The results are summarized in the following table. Sample mean Manufacturer voltage (millivolts) CHA B Check + 106 101 What is the test statistic? Ex: 0.123 Next What type of hypothesis test should be performed? Select Select Left-tailed z-test Paired t-test What is the number of degrees of freedom? Ex: 25 Two-tailed z-test Unpaired t-test Population standard deviation(millivolts) 3 Does sufficient evidence exist to support the claim that the voltage of the batteries made by the two manufacturers is different at the a = 0.05 significance level? [Select v 2 5
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6. Calculate Semi-Inter-Quartile Range and the Co-efficient ofQ.D. from the following data Marks 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 No. of Students 11 18 25 28 30 33 22 15 22