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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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Answer: Gain of $12,000

Explanation:

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= $126,000

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What they should have received as the trade in allowance was the NBV of $126,000. Since they didn't they got a gain of,

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= $12,000

Because this transaction has commercial substance, the gain would be $12,000.

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Based on these​ findings, what can we predict about total production long dash whether or not that production is included in the
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Explanation:

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3 years ago
JacksonJackson Bank lends JabbourJabbour Clothing Company ​$125 comma 000125,000 on September 1. JabbourJabbour signs a ​$125 co
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Answer:

Explanation:

The journal entry is shown below:

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Campbell's soup offers a temporary price reduction to all grocery stores on the West Coast during the weeks of June 15th to July
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Answer:

Off - invoice allowance

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Off - invoice allowance

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You wish to take an Excel course. You may enroll at one within your school or you may take a community class at the local librar
Paraphin [41]

Answer:

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Explanation:

a) Data and Calculations:

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Cost                              $2,600                         $1,390

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Timing of course          Weekday                     Weekend

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