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Category > Statistics Posted 21 Jun 2017 My Price 5.00

Rotary oil rigs

Rotary oil rigs. An economist wants to compare the average monthly number of rotary oil rigs running in three states: California, Utah, and Alaska. In order to account for month-to-month variation, three months were randomly selected over a two-year period and the number of oil rigs running in each state in each month was obtained from data provided from World Oil (Jan. 2002) magazine. The data, reproduced in the accompanying table and saved in the OILRIGS file, were analyzed by means of a randomized block design. The MINITAB printout is shown below (following the data).

a. Why is a randomized block design preferred over a completely randomized design for comparing the mean number of oil rigs running monthly in California, Utah, and Alaska?

b. Identify the treatments for the experiment.

c. Identify the blocks for the experiment.

d. State the null hypothesis for the ANOVA F -test.

 

Answers

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Status NEW Posted 21 Jun 2017 05:06 AM My Price 5.00

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Attachments

file 1498022056-Answer.docx preview (124 words )
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