In the manufacturing of a certain scientific instrument great importance is attached to the life of a particular critical component. This component is obtained in bulk from two sources, A and B, and in the course of inspection, the lives of 1000 of the components from each source are determined. The following frequency tables are obtained:-Source ASource ASource BSource BLife (hours)No of componentsLife(hours)No of Components1000-10201020-10401040-10601060-10801080-11001100-1120409636437285431030-10401040-10501050-10601060-10701070-10801080-10903391362520130350 i. Find Median and two quartiles for each group.ii. Find mean and Standard deviation for each source and compare them.iii. Which source do you think providing better quality of components and why?

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Description: In the manufacturing of a certain scientific instrument great importance is attached to the life of a particular critical component. This component is obtained in bulk from two sources, A and B, and in the course of inspection, the lives of 1000 of t

Class Frequency 1000 - 1020 40 1020 - 1040 96 1040 - 1060 364 1060 - 1080 372 1080 - 1100…

Answered: In the manufacturing of a certain…

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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In the manufacturing of a certain scientific instrument great importance is attached to the life of a particular critical component. This component is obtained in bulk from two sources, A and B, and in the course of inspection, the lives of 1000 of the components from each source are determined. The following frequency tables are obtained:-

Source A

Source B

Life (hours)

No of components

Life(hours)

No of Components

1000-1020

1020-1040

1040-1060

1060-1080

1080-1100

1100-1120

364

372

1030-1040

1040-1050

1050-1060

1060-1070

1070-1080

1080-1090

339

136

130

350

i. Find Median and two quartiles for each group.

ii. Find mean and Standard deviation for each source and compare them.

iii. Which source do you think providing better quality of components and why?

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