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Question: only needs parts g h i j...

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ONLY NEEDS PARTS (G H I J)

(x - X) 0 4 (a) Complete the entries in the table. Put the sums in the last row. What are the sample means and y? (b) Calculate by and b using (2.7) and (2.8) and state their interpretation. (c) Compute Σ51x2, Σ51xīy. Using these numerical values, show that (d) Use the leas t squares estimates from part (b) to compute the fitted values of y, and complete the remainder of the table below. Put the sums in the last row (e) On graph paper, plot the data points and sketch the fitted regression line () On the sketch in part (e), locate the point of the means (*,). Does your fitted line pass through that point? If not, go back to the drawing board, literally (g) Show that for these numerical values bi+ bot. (h) Show that for these numerical values у-), where- Σ/N. (i) Compute o G) Compute var(b) y

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