The accompanying data are x advertising share and y market

The accompanying data are x = advertising share and y = market share for a particular brand of cigarettes during 10 randomly selected years.

(a) Calculate the equation of the estimated regression line. (Round your answers to six decimal places.)
y =

x	0.102	0.072	0.072	0.077	0.086	0.047	0.060	0.050	0.070	0.052
y	0.134	0.125	0.123	0.086	0.079	0.076	0.065	0.059	0.051	0.039

Using technology, we get

slope =    1.261175064
intercept =    -0.003068844

Thus, the regression line is

y^ =    1.261175064 x -   0.003068844 [ANSWER]

The accompanying data are x advertising share and y market

Solution

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