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Author Question: The management of Chattanooga Paper Corporation wants to determine whether there is a significant ... (Read 80 times)

Facerro

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on: Mar 25, 2023

The management of Chattanooga Paper Corporation wants to determine whether there is a significant difference in the thickness of papers produced at their two existing plants.  The following data has been accumulated for this test.  The degrees of freedom (df) for this problem are df = 51.

 

 

Plant 1

Plant 2

Sample Mean

23.6

23.1

Sample Variance (S2)

25

4

Sample Size

42

53

 

a.Compute a 95% confidence interval for the difference in the average thickness of papers produced at the two plants.  Please use the same order as given above.
b.Is there conclusive evidence that the average thickness in one plant is significantly more than the other?  If yes, which plant?  Explain, using the results of part (a).  Do not perform any tests. 

 

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by Facerro on Mar 25, 2023

fdsajkl

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Reply #1 on: Mar 25, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Facerro

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Reply 2 on: Mar 25, 2023
:D TYSM

bulacsom

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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