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Practical Data Analysis with JMP® by Robert Carver

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Application

Now that you have completed all of the activities in this chapter, use the concepts and techniques that you've learned to respond to these questions.

  1. Scenario: We'll continue our analysis of the pipeline disruption data. The columns PRPTY and GASPRP contain the dollar value of property and natural gas lost as a consequence of the disruption.

    1. Do each of these columns satisfy the conditions for statistical inference? Explain.

    2. Report and interpret a 95% confidence interval for the mean property value costs of a pipeline disruption.

    3. Now construct and interpret a 90% confidence interval for the same parameter.

    4. In a sentence or two, explain what happens when we lower the confidence level.

    5. Construct and interpret a 99% confidence for the dollar ...

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