Question
Music MogulsNicole, Aleenaand Shaked, aka N.A.S.!compiled the followingdata shown in the table. The table shows the...
Music MogulsNicole, Aleenaand Shaked, aka N.A.S.!compiled the followingdata shown in the table. The table shows the predicted number of cd’s sold for a song, based on audience impressions, in hundreds ofmillions. Note: Number of cd’s sold are in hundreds of millions.
Impressions(x): 28 13 14 24 20 18 14 24 17
Cd’s sold (y): 19 7 7 20 6 4 5 25 12
a. Draw a scatter plot using the data from the table. (4pts.)
b. Find “y-hat” (linear regression equation). Use 2 decimal places for “b0”and 1decimal for “b1” in your final answer.(8pts.)c. Find the predicted number of cd’s sold for a song with 20 (hundred million) audience impressions.(4pts.)d.Use the given data to find the linear correlation coefficient “r”. (4pts)
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