Information of independent sample t test

Reference no: EM13107237

Two new york designs are under consideration for possible adoption in an assembly plant. A time study is conducted with 10 workers using design 1, and 12 workers using design 2. The means and standard deviation of their assembly times in minutes are below.

Design 1 Design 2
Mean 78.3 minutes Mean 85.6 Minutes
Standard Deviation 4.8 Standard Deviation 6.5

Is the mean assembly time significantly higher for work design 2. Test at the 5% level of significance. Defend your position (this means write a brief explanation that the plant manager will understand)

Reference no: EM13107237

Questions Cloud

Compute the ph at the temperature : Compute the pH at the temperature of 25 0C of a solution prepared by mixing 50 mL of 1.60 M sodium hydroxide solution to 0.5 of .0850 M Furoic acid HC 5 H 3 O 3 .

Justify a decision to exempt the grandson from organization : Using justice theory, justify a decision to exempt the grandson from your organization’s no-drugs policy. Could you make the same decision as a profit maximize?

Explain why would e-presto establish the ethics line : Ethics Line is a toll-free phone number that employees can call any time of the day, any day of the week to discuss ethics and report suspected unethical or improper conduct. Explain why would E-presto establish the Ethics Line?

P-value concept approach : The Speedy Oil Change Company advertised a 15-minute wait for an oil change. A sample of 23 oil changes showed a mean time of 16.5 minutes and a standard deviation of 4.3 minutes.

Information of independent sample t test : Two new york designs are under consideration for possible adoption in an assembly plant. A time study is conducted with 10 workers using design 1, and 12 workers using design 2. The means and standard deviation of their assembly times in minutes a..

From any recent or current event in the new discusses : From any recent or current event in the new discusses and explains the human resource area, moving toward and employee empowerment culture.

Compare two codes from the marketing association : Code of Conduct in the European Union and Statement of Ethics discuss and compare the two codes from these marketing association. Discuss the similarities and differences between the two.

Illustrate what documents would these costs be recorded : Cycle Gear Corporation has incurred the following costs on job number W456, an order for 20 special sprockets to be delivered at the end of next month. Illustrate what documents would these costs be recorded?

Create perpetual growing stream-compute projected npv : Growth Enterprise thinks its latest project, that will cost $80,000 to install, will create the perpetual growing stream of cash flows. If discount rate for this project is 10%, compute projected NPV?

User Account

All Pages