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Author Question: The owners of an industrial plant want to determine which of two types of fuel (gas or electricity) ... (Read 37 times)

Yolanda

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on: Feb 14, 2020

Question 1

The screen below shows the 95% confidence interval for



What does the interval suggest about the relationship between μ1 and μ2?

Question 2

The owners of an industrial plant want to determine which of two types of fuel (gas or electricity) will produce more useful energy at a lower cost. The cost is measured by plant investment per delivered quad ($ invested /quadrillion BTUs). The smaller this number, the less the industrial plant pays for delivered energy. Suppose we wish to determine if there is a difference in the average investment/quad between using electricity and using gas. Our null and alternative hypotheses would be:
◦ H0: (μe - μg) = 0 vs. Ha: (μe - μg) ≠ 0
◦ H0: (μe - μg) = 0 vs. Ha: (μe - μg) = 0
◦ H0: (μe - μg) = 0 vs. Ha: (μe - μg) > 0
◦ H0: (μe - μg) = 0 vs. Ha: (μe - μg) < 0
Statistics ¦ McClave, Sincich, Tamarack ¦ 12th Edition
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Marked as best answer by Yolanda on Feb 14, 2020

underwood14

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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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Yolanda

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Reply 2 on: Feb 14, 2020
Gracias!

mochi09

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Reply 3 on: Yesterday
Excellent

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