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In: Statistics and Probability

Consider the data set below. Excel File: data12-33.xls The estimated regression equation is ŷ = 30.33...

Consider the data set below.

Excel File: data12-33.xls



The estimated regression equation is ŷ = 30.33 - 1.88x.

  1. Estimate the standard deviation of ŷ p when x = 3 (to 3 decimals).

  2. Develop a 95% confidence interval for the expected value of y when x = 3 (to 2 decimals).
    (  ,  )
  3. Estimate the standard deviation of an individual value of y when x = 3 (to 2 decimals).

  4. Develop a 95% prediction interval for y wh

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Expert Solution

orchestra answered 2 years ago
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