Use the Data Given Below to Answer the Following Questions)

question 11

Essay

Use the data given below to answer the following questions).
Following is an extract from a firm's database detailing the number of hours spent on the job by employees and their corresponding pay. Note: Assume a level of significance of 0.05 wherever necessary.) $$\begin{array} { | c | c | } \hline \text { Hours spent on the job } & \text { Salary } \$ \mathbf { ~ } \\\hline 4 & 340 \\\hline 12 & 850 \\\hline 7 & 570 \\\hline 5 & 470 \\\hline 11 & 820 \\\hline 8 & 610 \\\hline 9 & 630 \\\hline 13 & 900 \\\hline 10 & 800 \\\hline 6 & 480 \\\hline\end{array}$$
-Interpret residual output.

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Definitions:

Sales Details

Specific information related to the sale transactions, including product, quantity, price, and date of sale.

Game Sales

The total revenue generated from the sale of video games within a specific timeframe.

Weighted Average Model

A mathematical method that calculates the mean of a set of numbers, where some numbers contribute more significantly to the final average due to their respective weights.

Exponential Smoothing Model

A time series forecasting method that applies weighting factors which decrease exponentially to past observations.