Question: Three machines produce the same part. Ten different machine operators work these machines. A quality team wants to determine whether the machines are producing parts

Three machines produce the same part. Ten different machine operators work these machines. A quality team wants to determine whether the machines are producing parts that are significantly different from each other in weight. The team devises an experimental design in which a random part is selected from each of the 10 machine operators on each machine. The results follow. Using alpha of .05, test to determine whether there is a difference inmachines.

Operator Machine 1Machine 2 Machine 3 231 233 229 232 235 234 236 230 228 229 232 233 235 228 237 233 229 230 238 234 231 230 231 232 231 230 227 229 234 4. 10 237

Step by Step Solution

★★★★★

3.24 Rating (179 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

Use the Friedman test Let a 05 H 0 The treatment populations are equal H a The ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

409-M-S-Q-M (1274).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

A manufacturing company wants to determine whether there is a difference between the variance of the number of units produced per day by one machine operator and the similar variance for another...

A stock analyst wants to determine whether there is a difference in the mean return on equity for three types of stock: utility, retail, and banking stocks. The following output is obtained: a. Using...

A market researcher wants to determine whether a new model of a personal computer that had been advertised on a late-night talk show had achieved more brand-name recognition among people who watched...

Th ree machines produce the same part. Ten different machine operators work these machines. A quality team wants to determine whether the machines are producing parts that are signifi cantly diff...

EURASIA INTERNATIONAL: TOTAL QUALITY MANAGEMENT IN THE SHIPPING INDUSTRY Introduction In the 1990s, Hong Kong-based Eurasia International Ltd. ("Eurasia") aimed to set itself apart from other ship...

Case study 4.1 Define phase This study is performed at one of the plants in Y Company. This plant is named wafer biscuit plant. It has one production line, which is producing only wafer biscuits. In...

please answer the questions 4.1 Define phase This study is performed at one of the plants in Y Company. This plant is named wafer biscuit plant. It has one production line, which is producing only...

a please answer the questions Case study 4.1 Define phase This study is performed at one of the plants in Y Company. This plant is named wafer biscuit plant. It has one production line, which is...

A machine shop has four different machines (factor A: machines 1, 2, 3, 4) used in precision grinding of metal bearings. Three different machine operators (factor B: operators A, B, C) are employed...

The following quote on Yahoo! stock appeared on April 13, 2010, on Yahoo! Finance: If you wanted to buy Yahoo!, what price would you pay per share? How much would you receive per share if you wanted...

5. Suppose you think the U.S. equity market is highly overvalued and your analysis suggests that the market would crash by January 2023. But it still seems that on average, the investors are very...

True or False3. The 'bull whip' effect is the result of expediting orders with suppliers.

The processes of which process group are normally performed external to the projects level of control? a. initiating b. planning c. executing d. monitoring and controlling

The BelSante Company operates retail pharmacies in 10 eastern states. Recently, the companys internal audit department selected a random sample of 300 prescriptions issued throughout the system. The...

Even before the record gas prices during the summer of 2008, an article written by Will Lester of the Associated Press reported on a poll in which 80% of those surveyed say that Americans who...

According to USA Today, customers are not settling for automobiles straight off the production lines. As an example, those who purchase a $355,000 Rolls Royce typically add $25,000 in accessories....

Consider the following information: Calculate the expected return for Stock A. Calculate the expected retum for Stock B. Calculate the standard deviation for Stock A. Calculate the standard deviation...

Midiand Resources has two production departments (Fabrication and Assembly) and three service departments (Engineering, Administration, and Maintenance) During July, the following costs and service...

15 Broward Manufacturing recently reported the following information: Net Income $486,000 ROA 10% Interest expense $194,400 Accounts payable and accruals $950,000 Broward's tax rate is 25%. Broward...