Suppose you are a production manager of a firm that manufactures car tires. Customers are primarily interested in the expected lifetime of your tires, measured in kilometres driven before replacement is necessary. You understand that the lifetime of a tire is a random variable that depends on the the driving habits of the user, road conditions, and other factors. Explain in detail how you would go about determining the average lifetime of the tires you manufacture.

Q: data preparation

A: True

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A: Hey there! Thank you for posting the question.Since you have posted a questions with multiple…

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A: Option a) is correct. There is only one independent variable. i.e. Types of Resistance training

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A: It is needed to determine the dependent and independent variable.

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A: Please find the explanation below. Thank you.

Q: Please check my answer.

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A:

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A: Solution Causation and correlation are different and causation  do not provide correlation.

Q: c. The test statistic | z 2.182 (please show your answer to 3 decimal places.)

A: From the provided information, The level of significance (α) = 0.01 The test is one tailed.

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