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Author Question: Exhibit 8-5A random sample of 64 SAT scores of students applying for merit scholarships showed an ... (Read 41 times)

lauraleepop

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on: Mar 25, 2023

Question 1

Exhibit 8-5
A random sample of 64 SAT scores of students applying for merit scholarships showed an average of 1400 with a standard deviation of 240.


Refer to Exhibit 8-5.  The “t” value for this interval estimation is


◦

1.96


◦

1.998


◦

1.64


◦

1.28



Question 2

Exhibit 8-5
A random sample of 64 SAT scores of students applying for merit scholarships showed an average of 1400 with a standard deviation of 240.


Refer to Exhibit 8-5.  The margin of error at 95% confidence is


◦

1.998


◦

1400


◦

240


◦

59.95

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

koswald

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Reply #1 on: Mar 25, 2023
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lauraleepop

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Reply 2 on: Mar 25, 2023
YES! Correct, THANKS for helping me on my review

Animal_Goddess

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Reply 3 on: Yesterday
Wow, this really help

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