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Econ/stats

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The following data represent the number of flash drives sold per day at a local computer shop and their prices.
Price (x) Units Sold (y)
$34 3
36 4
32 6
35 5
30 9
38 2
40 1

a.
Develop a least-squares regression line and explain what the slope of the line indicates.
b.
Compute the coefficient of determination and comment on the strength of relationship between x and y.
c.
Compute the sample correlation coefficient between the price and the number of flash drives sold. Use alpha= 0.01 to test the relationship between x and y.

  • Econ/stats -

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