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igor_vitrenko [27]
3 years ago
8

A statistics practitioner is n the process of testing to determine whether there is enough evidence to infer that the population

mean is different from 180. She calculated the mean and standard deviation of a sample of 200 observations as x-bar equals 175 and s = 22.
a. Calculate the value of the test statistic required to determine whether there is enough evidence at the 5% significance level. Use Excel to calculate the appropriate p-value as well.
b. Repeat part (a) with s = 45.
c. Repeat part (a) with s = 60.
d. Discuss what happens to the t statistic and the p-value when the standard deviation increases.

Business
1 answer:
slega [8]3 years ago
4 0

Answer

The answer and procedures of the exercise are attached in the following image.  

Explanation  

Please consider the data provided by the exercise. If you have any question please write me back. All the exercises are solved in a single sheet with the formulas indications.  

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4 0
3 years ago
According to Thorstein Veblen, a successful businessman would be most likely to demonstrate his worth to others by:_______. a. a
nata0808 [166]

Answer:

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In accordance with the Veblen, the concept or the idea of the conspicuous consumption is developed or created. It is believing that the rich person or people are very concerned in showing off their wealth in order to prove their success in from of others.

So, Veblen would likely demonstrate their worth by purchasing the expensive jewels for his wife and then showing off the jewels at the parties.

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Why do we subtract depreciation in the calculation of EBIAT if we are going to add it back as the next step of the Free Cash Flo
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3 0
2 years ago
In lean operations, input resources arrive for processing only after the preceding batch has been completed. question 10 options
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6 0
2 years ago
Blue Ridge Crafters is a co-operative that distributes traditional household furnishings, such as home-spun textiles, hand-throw
Harman [31]

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