Use the data given below to answer the following question(s).
The table below shows the sales of a gaming console for the first 6 months of the year 2011.
The forecaster uses the weighted average model to determine the forecasts.He assumes a 40% weight for the most recent reading,30% weight for the second most recent reading,20% for the third most recent reading,and 10% for the fourth most recent reading.
-Using the given data,determine the value of the root mean square error.
A)9.15
B)26.95
C)0.87
D)6.70

Question

Use the data given below to answer the following question(s).
The table below shows the sales of a gaming console for the first 6 months of the year 2011.
The forecaster uses the weighted average model to determine the forecasts.He assumes a 40% weight for the most recent reading,30% weight for the second most recent reading,20% for the third most recent reading,and 10% for the fourth most recent reading. 
-Using the given data,determine the value of the root mean square error.
A)9.15 
B)26.95 
C)0.87 
D)6.70

Quizplus · Accepted Answer

The root mean square error (RMSE) is calculated by taking the square root of the average of the squares of the errors. Without the specific data, we can't calculate it here, but the correct answer given is 6.70.

Use the Data Given Below to Answer the Following Question(s)