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Author Question: A study was conducted to determine if the salaries of librarians from two neighboring cities were ... (Read 83 times)

segrsyd

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A study was conducted to determine if the salaries of librarians from two neighboring cities were equal. A sample of 15 librarians from each city was randomly selected. The mean from the first city was $28,900 with a standard deviation of $2300. The mean from the second city was $30,300 with a standard deviation of $2100. Construct a 95% confidence interval for μ1 - μ2.
◦ (-3125, 325)
◦ (-2054, 238)
◦ (-4081, 597)
◦ (-2871, 567)


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Marked as best answer by segrsyd on Jan 16, 2020

Brummell1998

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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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segrsyd

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Reply 2 on: Jan 16, 2020
:D TYSM


AmberC1996

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Reply 3 on: Yesterday
Excellent

 

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