Use Excel to answer the following questions. Where written responses are necessary, provide your written response below each individual question using RED font.

The Closing Stock Prices data below provides data for four stocks and the Dow Jones Industrial Average over a one$-$month period.

$1.$ Construct a visual of your choice to display all four stocks prices and the DJIA for each day over the period from $9/3/2010$ to $10/1/2010.$ Be sure each stock$/$index is clearly identifiable.

$2.$ Develop a spreadsheet model for forecasting each of the stock prices using simple exponential smoothing with a smoothing constant of $0\mathrm{.}3.$

$3.$ Compare your results to the output from Excel$$s$$Data Analysis$$tool$.$

$4.$ Compute MAD, MSE, and MAPE.

$5.$ Does a smoothing constant of $0\mathrm{.}1$ or $0\mathrm{.}5$ yield better results?