Question: Two processes in a manufacturing line are performed manually: operation A and operation B. A random sample of 50 different assemblies using operation A shows

Two processes in a manufacturing line are performed manually: operation A and operation B. A random sample of 50 different assemblies using operation A shows that the sample average time per assembly is 8.05 minutes, with a population standard deviation of 1.36 minutes. A random sample of 38 different assemblies using operation B shows that the sample average time per assembly is 7.26 minutes, with a population standard deviation of 1.06 minutes. For alpha = 0.10, the test statistics (z-value) would be _____. (Specify your answer to the 2nd decimal.)

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

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

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related General Management Questions!

When can you say that two samples are dependent or independent? Cite two research problems related to business (different from those problems below) wherein one will illustrate dependent samples...

Two processes in a manufacturing line are performed manually: operation A and operation B. A random sample of 50 diff erent assemblies using operation A shows that the sample average time per...

Question: Performing and conducting test hypothesis on two independent samples Solve the following as indicated. Show the steps in hypothesis testing. 1.Two processes in a manufacturing line are...

Question 1 of 17 1.0 Points Two independent samples of sizes n 1 = 50 and n 2 =50 are randomly selected from two populations to test the difference between the population means,. The sampling...

of 8 Question 1 of 17 1.0 Points A field researcher is gathering data on the trunk diameters of mature pine and spruce trees in a certain area. The following are the results of his random sampling....

How can you summarize the compensation and reward system of the three organizations? What do they all have in common, if anything? Look up everything you can find that has been written about Lincoln...

nodes, but at least its bias can be quantified by Markov Chain L. INTRODUCTION analysis and thus can be corrected via appropriate re-weighting The popularity of online social networks (OSNs) in...

The City of Richmond, Virginia, adopted a Minority Business Utilization Plan requiring prime contractors awarded city construction contracts to subcontract at least 30 percent of the dollar amount of...

Annie Russell, a student at Tech, plans to open a hot dog stand inside Techs football stadium during home games. There are seven home games scheduled for the upcoming season. She must pay the Tech...

In economic terms, how do property insurance premiums for specific natural hazards ( such as floods or wildfires ) ideally function as a signal regarding the risk associated with a property? Group of...

When older adults have difficulty with transportation and communication, or may be reluctant to request needed assistance to which they are entitled, they may be in need of: Group of answer choices...