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Author Question: The Bureau of Labor Statistics reported that the average yearly income of dentists in the year 2009 ... (Read 42 times)

kmcolvin

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on: Mar 25, 2023

The Bureau of Labor Statistics reported that the average yearly income of dentists in the year 2009 was $110,000.  A sample of 81 dentists, which was taken in 2010, showed an average yearly income of $120,000.  Assume the standard deviation of the population of dentists in 2010 is $36,000.

a.

We want to test to determine if there has been a significant increase in the average yearly income of dentists.  Provide the null and the alternative hypotheses.

b.

Compute the test statistic.

c.

Determine the p-value; and at 95% confidence, test the hypotheses.

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

psuniv

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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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kmcolvin

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Reply 2 on: Mar 25, 2023
Thanks for the timely response, appreciate it

TheDev123

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Reply 3 on: Yesterday
Gracias!

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