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Author Question: Automobiles manufactured by the Efficiency Company have been averaging 42 miles per gallon of ... (Read 79 times)

blkth103

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on: Mar 25, 2023

Automobiles manufactured by the Efficiency Company have been averaging 42 miles per gallon of gasoline in highway driving.  It is believed that its new automobiles average more than 42 miles per gallon.  An independent testing service road-tested 36 of the automobiles.  The sample showed an average of 42.8 miles per gallon with a standard deviation of 1.2 miles per gallon.

a.

With a 0.05 level of significance using the critical value approach, test to determine whether or not the new automobiles actually do average more than 42 miles per gallon.

b.

What is the p-value associated with the sample results?  What is your conclusion based on the p-value?

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by blkth103 on Mar 25, 2023

my33251

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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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blkth103

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Reply 2 on: Mar 25, 2023
Excellent

Dinolord

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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