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Author Question: Exhibit 9-8The average gasoline price of one of the major oil companies in Europe has been $1.25 per ... (Read 55 times)

bryantpr01

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on: Mar 25, 2023

Exhibit 9-8
The average gasoline price of one of the major oil companies in Europe has been $1.25 per liter.  Recently, the company has undertaken several efficiency measures in order to reduce prices.  Management is interested in determining whether their efficiency measures have actually reduced prices.  A random sample of 49 of their gas stations is selected and the average price is determined to be $1.20 per liter.  Furthermore, assume that the standard deviation of the population () is $0.14.


Refer to Exhibit 9-8.  The value of the test statistic for this hypothesis test is


◦

1.96


◦

1.645


◦

-2.5


◦

-1.645

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by bryantpr01 on Mar 25, 2023

3ginamay

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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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bryantpr01

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

duy1981999

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Reply 3 on: Yesterday
Gracias!

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