Three different suppliers provide parts in shipments. Random sample of six shipments from each ofthe three suppliers were carefully checked, and the number of parts not conforming to standardswere recorded.Shipment 1Shipment 2Shipment 3232523252828192124263530243335283834T1=145T2=180T3=174 Σx^2= 14329 Σx=499.(a) Estimate and prepare the analysis of variance (ANOVA) table(b) Test the null hypothesis that the population mean numbers of parts per shipments notconforming to standards are the same for all three suppliers

Hypothesis: The null hypothesis given below: H0: There is no difference in the mean numbers of parts…

Answered: Three different suppliers provide parts…

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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Three different suppliers provide parts in shipments. Random sample of six shipments from each of
the three suppliers were carefully checked, and the number of parts not conforming to standards
were recorded.

Shipment 1	Shipment 2	Shipment 3
23	25	23
25	28	28
19	21	24
26	35	30
24	33	35
28	38	34
T1=145	T2=180	T3=174

Σx^2= 14329 Σx=499.
(a) Estimate and prepare the analysis of variance (ANOVA) table
(b) Test the null hypothesis that the population mean numbers of parts per shipments not
conforming to standards are the same for all three suppliers

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