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Refer to the data below which contains the percentage change (X) in a stock market index over the first five trading days of the

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Refer to the data below which contains the percentage change (X) in a stock market index over the first five trading days of the year and percentage change (Y) in the index over the whole year. Complete parts a and b. 38 (X) 1.6 0.4 -0.2 2.7 2.3 - 1.6 - 1.4 5.4 - 1.4 1.4 1.4 - 4.7 -0.7 (Y) 14.7 - 9.2 19.7 20.3 - 3.5 27.6 22.4 2.4 11.8 27 - 4.3 20.3 - 1.0 a. Estimate the linear regression of Y on X. = + ( ) (Round to four decimal places as needed.)

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