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Author Question: Exhibit 8-6A sample of 75 information system managers had an average hourly income of $40.75 with a ... (Read 69 times)

kckanistras

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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 95% confidence interval for the SAT scores is


◦

1340.05 to 1459.95


◦

1400 to 1459.95


◦

1340.05 to 1400


◦

1400 to 1600



Question 2

Exhibit 8-6
A sample of 75 information system managers had an average hourly income of $40.75 with a standard deviation of $7.00.


Refer to Exhibit 8-6.  If we want to determine a 95% confidence interval for the average hourly income, the value of “t” statistics is


◦

1.96


◦

1.64


◦

1.28


◦

1.993

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

FireandIce

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Reply #1 on: Mar 25, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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kckanistras

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

bulacsom

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Reply 3 on: Yesterday
Excellent

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