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Author Question: A local university administers a comprehensive examination to the recipients of a B.S. degree in ... (Read 30 times)

stananza

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on: Mar 25, 2023

A local university administers a comprehensive examination to the recipients of a B.S. degree in Business Administration. A sample of 5 examinations is selected at random and scored. The scores are shown below.

Grade

54

68

75

80

98


a.Compute the sample mean and the standard deviation.
b.Determine the margin of error at 95% confidence.
c.At 95% confidence, determine an interval for the mean of the population.


At 98% confidence, determine an interval for the mean of the population.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by stananza on Mar 25, 2023

Jim457

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Reply #1 on: Mar 25, 2023
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stananza

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Reply 2 on: Mar 25, 2023
Wow, this really help

Sarahjh

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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