To test whether the mean time needed to mix a batch of material is the same for machines produced by three manufacturers, the J32885 CA obtained the following data on the time (in minutes) needed to mix the material. Manufacturer 1 3 19 21 25 20 23 24 21 23 a. Use these data to test whether the population mean times for mixing a batch of material differ for the three manufacturers. Use a = 0.05. Compute the values below (to 2 decimals, if necessary). Sum of Squares, Treatment Sum of Squares, Error Mean Squares, Treatment Mean Squares, Error Calculate the value of the test statistic (to 2 decimals). 2 29 27 32 28 What conclusion can you draw after carrying out this test? -Select your answer- The p-value is Select your answer What is your conclusion? Select your answer- b. At the a 0.05 level of significance, use Fisher's LSD procedure to test for the equality of the means for manufacturers 1 and 3. Calculate Fisher's LSD Value (to 2 decimals).
To test whether the mean time needed to mix a batch of material is the same for machines produced by three manufacturers, the J32885 CA obtained the following data on the time (in minutes) needed to mix the material. Manufacturer 1 3 19 21 25 20 23 24 21 23 a. Use these data to test whether the population mean times for mixing a batch of material differ for the three manufacturers. Use a = 0.05. Compute the values below (to 2 decimals, if necessary). Sum of Squares, Treatment Sum of Squares, Error Mean Squares, Treatment Mean Squares, Error Calculate the value of the test statistic (to 2 decimals). 2 29 27 32 28 What conclusion can you draw after carrying out this test? -Select your answer- The p-value is Select your answer What is your conclusion? Select your answer- b. At the a 0.05 level of significance, use Fisher's LSD procedure to test for the equality of the means for manufacturers 1 and 3. Calculate Fisher's LSD Value (to 2 decimals).
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter29: Tolerance, Clearance, And Interference
Section: Chapter Questions
Problem 16A: Spacers are manufactured to the mean dimension and tolerance shown in Figure 29-12. An inspector...
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Transcribed Image Text:To test whether the mean time needed to mix a batch of material is the same for machines produced by three manufacturers, the Jacobs Chemical Company
obtained the following data on the time (in minutes) needed to mix the material.
3
1
19
21
25
20
23
24
21
23
a. Use these data to test whether the population mean times for mixing a batch of material differ for the three manufacturers. Use a 0.05.
Compute the values below (to 2 decimals, if necessary).
Sum of Squares, Treatment
Sum of Squares, Error
Mean Squares, Treatment
Mean Squares, Error
Calculate the value of the test statistic (to 2 decimals).
Manufacturer
What conclusion can you draw after carrying out this test?.
Select your answer-
2
29
27
32
28
The p-value is -Select your answer
What is your conclusion?
-Select your answer-
b. At the a 0.05 level of significance, use Fisher's LSD procedure to test for the equality of the means for manufacturers 1 and 3.
Calculate Fisher's LSD Value (to 2 decimals).
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