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sesenic [268]
3 years ago
5

A business school would like to know that whether the average number of years of work experience of MBA applicants is less than

3 years. Based on last year's applicants, it was found that among a sample of 47, the average number of years of work experience is 2.57 with a standard deviation of 3.67. Apply t-test to analyze the sample and draw a conclusion about the years of work experience of MBA applicants.g
Business
1 answer:
VMariaS [17]3 years ago
5 0

Answer:

The test statistic t of the sample is -0.804.

There is sufficient evidence to ascertain that the average number of years of work experience of MBA applicants is less than 3 years.

Explanation:

Null hypothesis: The average number of years of work experience of MBA applicants is 3 years.

Alternate hypothesis: The average number of yet of work experience of MBA applicants is less than 3 years.

Test statistic (t) = (sample mean - population mean) ÷ sd/√n

sample mean = 2.57

population mean = 3

sd = 3.67

n = 47

t = (2.57 - 3) ÷ 3.67/√47 = -0.43 ÷ 0.535 = -0.804

Assuming a 5% significance level

degree of freedom = n - 1 = 47 - 1 = 46

The critical value corresponding to 46 degrees of freedom and 5% significance level is 2.013.

Conclusion:

Reject the null hypothesis because the test statistic -0.804 is less than the critical value 2.013.

The years of work experience of MBA applicants is less than 3.

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WITCHER [35]

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Explanation:

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3 years ago
Assume that aggregated fact table B is based on the detailed fact table A. Which of the following is FALSE
jeyben [28]

The false statement is E) Table B has more records than Table A

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Tables are database items that incorporate all of the records in a database. In tables, records are logically prepared in a row-and-column format much like a spreadsheet. Every row represents a unique record, and every column represents a field inside the report.

Your question is incomplete. Please read below to find the complete question.

Assume that aggregate fact Table B is based on the detailed fact table A. Which of the following is false?

A) a number of dimensions that Table B is connected to are equal to or less than the number of dimensions that Table A is connected to.

B) a number of records in Table B are equal to or less than the number of records in Table A.

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E) table B has more records than Table A.

Learn more about tables here brainly.com/question/12151322

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7 0
2 years ago
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Answer:

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So best answer made based on data available.

5 0
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