A simple random sample of 100 postal employees is used to test if the average time postal employees have worked for the postal service has changed from the value of 7.5 years recorded 20 years ago. the sample mean was x = 7 years with a standard deviation of s = 2 years. assume the distribution of the time the employees have worked for the postal service is approximately normal. the hypotheses being tested are h0: μ = 7.5, ha: μ ≠ 7.5. a one-sample t test will be used. what are the appropriate degrees of freedom for this test?
Answers (1)
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “A simple random sample of 100 postal employees is used to test if the average time postal employees have worked for the postal service has ...” in 📙 Business if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers
You Might be Interested in
Society is a nongovernmental not-for-profit organization. Recently, Food Company made an oral conditional promise to donate $20,000 to Society contingent upon its recognition as "best foundation of the year" by local government.
Answers (2)
The mcdonald's manager is not very well liked by the employees who cook and serve the fast food. the manager enjoys the ability to tell employees what to do and disciplines quickly.
Answers (1)
Managers at the British company Tesco sold the Fresh & Easy U. S. grocery store chain after comparing returns from that division to those from Tesco's other divisions around the world and determining that the U. S.
Answers (1)
A child receives a dime for weeding dandelions from the yard. sometimes he gets paid after pulling as few as three, sometimes he pulls as many as seven before getting paid. on the average, he gets paid a dime for every five dandelions.
Answers (1)
Even if an objective is impossible to attain, it still meets the criteria of a good objective because it can motivate worker. (A) True (B) False
Answers (1)
New Questions in Business
The most recent financial statements for Alexander Co. are shown here: Income Statement Balance Sheet Sales $ 42,800 Current assets $ 17,500 Long-term debt $ 37,000 Costs 35,500 Fixed assets 68,300 Equity 48,800 Taxable income $ 7,300 Total $ 85,800
Answers (1)
Which of the following is a positive economic statement? A. The government should implement a national consumption tax. B. The standard of living in the United States is too low. C. The U. S.
Answers (1)
Rachel is working on a project that technically allows three activities to be done at the same time. if they were to be implemented at the same time, she would need 5 contractors in order for the activities to be completed on time.
Answers (1)
In one to three sentences, describe reliable financial information.
Answers (1)
When using statistics to support a speech, it is best to do all of the following except: a. use statistics to quantify ideas. b. use statistics to explain. c. present statistics with charts or graphs so it is easier for listeners to grasp d.
Answers (1)