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Several retired bicycle racers are coaching a large group pf young prospects. They randomly select 7 of their riders to take part in a test of effectiveness of a new diatary supplement that supposed to increase strenght and stamina. Each of 7 does a time trial on the same course. Then they all take the dietary supplement for 4 weeks. At the end of 4 weeks these riders do anither time trial on the same course. The times in minutes recoded by each rider for the trials shown in the following table.
Before 104, 97, 115, 95, 102, 96, 110After 100, 95, 100, 102, 98, 91, 101
a. Construct a 99% confidence interval for mean Ud of the population paired differences where a paired difference is equal to score of an employee before attending course minus the score of the same employee after attending course.
b. Test at 1% significance level whether course increases the mean score of employees. Assume that population of paired differances has normal distribution.
writeat least 150 words not including the cover page or reference page in apa style. there is no maximum word count.
List the organelles and structures found in cells. Pick one organelle and describe the role it plays in the life of the cell. In your description, comment on what may happen to the cell if the organelle did not function properly. Remember to ..
Create a 1- to 2-page paper by responding to the following: List three social agencies or human services programs that could be a good fit for your course projects. Provide an overview of the services that each agency or service provides
Which of the following is/are considered to be important precipitators of rebellion and revolution?
When you reply to other's posts - start a mini discussion, ask probing questions. What could the company have done to prevent the downtime? Do you support the view of your peer? If not, respectfully ask questions to better understand their views
Describe dye penetrant as a form of nondestructive inspection and discuss the advantages and disadvantages.
Do some biographical research on the current Supreme Court justices. Select one for your discussion. What is his/her background? Why was he/she chosen for the Court, and by whom? How do they compare to the others on any single set of constitutional i..
Read the summary on the "The Pinto Case." Review the ethical triangle and then answer the questions in 2 paragraphs.
(a) What Z value would be appropriate for a 98%service level? (b) What safety stock should Ross maintain if hewants a 98% service level? (c) What is the adjusted ROP for the brackets?
What are the basic components and goals of a socialist government?
Mona lives in New Jersey, but she works in New York. Mona borrows $1000 from the National Bank using her motorcycle as collateral. To perfect its security interest, the bank must file its financing statement in atleast
Franco is an agent for SureCo, Inc., an independent insurance agency that offers policies from several insurance companies.
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