Question: 6. Disk drives Some data on hard drives look like this: we want to predict Price from Capacity. a) Find the slope estimate, b1. b)

6. Disk drives Some data on hard drives look like this: we want to predict Price from Capacity.

Capacity (in TB) 0.080 Price (in $) 29.95 0.120 35.00 0.250 49.95

a) Find the slope estimate, b1.

b) What does it mean, in this context?

c) Find the intercept, b0.

d) What does it mean, in this context? Is it meaningful?

e) Write down the equation that predicts Price from

Capacity (in TB) 0.080 Price (in $) 29.95 0.120 35.00 0.250 49.95 0.320 69.95 1.0 99.00 2.0 205.00 4.0 x = 1.110 SD(X) = 1.4469 449.00 y 133.98 SD(y) = 151.26 r = 0.994 ==

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