Question content area

Part $1$

Data collected on the yearly registrations for a Six Sigma seminar at the Quality College are shown in the following$$ table:

$$

Year

$1$

$2$

$3$

$4$

$5$

$6$

$7$

$8$

$9$

$10$

$11$

Registrations$(000)$

$4\mathrm{.}0$

$7\mathrm{.}0$

$4\mathrm{.}0$

$6\mathrm{.}0$

$10\mathrm{.}0$

$7\mathrm{.}0$

$8\mathrm{.}0$

$11\mathrm{.}0$

$12\mathrm{.}0$

$14\mathrm{.}0$

$17\mathrm{.}0$

This exercise contains only parts a and b$.$

Part $2$

$$a$)$ Using a$3-$year moving$$ average, the forecasted registrations$($in thousands$)$ for years $4$ through $12$ are $($round your responses to one decimal $$place$)$:

Year

$4$

$5$

$6$

$7$

$8$

$9$

$10$

$11$

$12$

Forecast

$$

enter your response here

$$

enter your response here

$$

enter your response here

$$

enter your response here

$$

enter your response here

$$

enter your response here

$$

enter your response here

$$

enter your response here

$$

enter your response here