$04-$

Question $6,$ Problem $4\mathrm{.}29$

HW Score: $75\%,15$ of $20$

Part $2$ of $3$

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The number of internal disk drives $($in millions$)$ made at a plant in Taiwan during the past $5$ years follows:

$\backslash$table$[[$Year$,$Disk Drives$],[1,138],[2,156],[3,196],[4,204],[5,210]]$

a$)$ Using simple linear regression, the forecast for the number of disk drives to be made next year $=238\mathrm{.}4$ disk drives $($round your response to one decimal place$).$

b$)$ The mean squared error $($MSE$)$ when using simple linear regression $=$ drives ${?}^2($round your response to one decimal place$).$