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    Polytechnic State University Sanluis
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Category > Accounting Posted 28 Apr 2017 My Price 3.00

The stock market Some people think that

The stock market Some people think that the behavior of the stock market in January predicts its behavior for the rest of the year. Take the explanatory variable x to be the percent change in a stock market index in January and the response variable y to be the change in the index for the entire year. We expect a positive correlation between x and y because the change during January contributes to the full year’s change. Calculation from data for an 18-year period gives

(a) Find the equation of the least-squares line for predicting full-year change from January change. Show your work.

(b) Suppose that the percent change in a particular January was 2 standard deviations above average. Predict the percent change for the entire year, without using the least-squares line. Show your work.

Answers

(8)
Status NEW Posted 28 Apr 2017 09:04 AM My Price 3.00

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file 1493371527-Answer.docx preview (184 words )
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