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Author Question: A researcher is investigating which of two newly developed automobile engine oils is better at ... (Read 42 times)

TVarnum

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on: Feb 14, 2020
A researcher is investigating which of two newly developed automobile engine oils is better at prolonging the life of an engine. Since there are a variety of automobile engines, 20 different engine types were randomly selected and were tested using each of the two engine oils. The number of hours of continuous use before engine breakdown was recorded for each engine oil. Based on the information provided, what type of analysis will yield the most useful information?
◦ Independent samples comparison of population means.
◦ Matched pairs comparison of population proportions.
◦ Matched pairs comparison of population means.
◦ Independent samples comparison of population proportions.
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Marked as best answer by TVarnum on Feb 14, 2020

Jevvish

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Reply #1 on: Feb 14, 2020
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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TVarnum

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Reply 2 on: Feb 14, 2020
:D TYSM

juliaf

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Reply 3 on: Yesterday
Excellent

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