Centerville Bikes and Stuff $($CBS$)$ sells motorcycles and accessories. The number of helmets sold by CBS per week for the past six weeks follows.

Week $123456$

Value $181214101613$Compute MSE. $($Round your answer to two decimal places.$)$

MSE $=$

$1\mathrm{.}30$

Incorrect: Your answer is incorrect.

What is the forecast for week $7?$

$13\mathrm{.}37$

Incorrect: Your answer is incorrect.

$($c$)$

Use a$=0\mathrm{.}2$ to compute the exponential smoothing values for the time series.Week Time Series

Value Forecast

$118$

$212$

$314$

$410$

$516$

$613$

Compute MSE. $($Round your answer to two decimal places.$)$

MSE $=$

What is the forecast for week $7?($Roun

$($e$)$

Use $=0\mathrm{.}4$ to compute the exponential smoothing values for the time series.

Week Time Series

Value Forecast

$118$

$212$

$314$

$410$

$516$

$613$d your answer to two decimal places.$)$

$($e$)$

Use $=0\mathrm{.}4$ to compute the exponential smoothing values for the time series.

Week Time Series

Value Forecast

$118$

$212$

$314$

$410$

$516$

$613$