Question: I don't have time please help me Question 4: A company sets different prices for a particular stereo system in eight different regions of the

I don't have time please help me

Question 4: A company sets different prices for a particular stereo system in eight different regions of the country. The accompanying table shows the numbers of units sold and the corresponding prices (in hundreds of dollars). Sales Prices Y X y2 x2 57 9.5 49 10.0 40 9.5 55 8.5 59 7.0 43 10.5 56 7.5 55 6.0 a. Set up a scatter diagram for the given data. b. Write down the estimated regression line of the sales on prices c. Calculate the coefficient of correlation between x and y. d. Describe the strength, the type and the direction of the relationship between x and y e. Predict the numbers of units to be sold when the price of the stereo system is 8.5, then calculate the error in estimation for this value

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