Weekly sales of the Weber Dicamatic food processor for the past ten weeks have been:Week1234N5Sales980104011201050960Week678910Sales9901030126012401100Determine, on the basis of minimizing the mean square error, whether a three-period or four-periodsimple moving average model gives a better forecast for this problem.Please type your answer by typing 3 or 4 below.

WeekSales198021040311204105059606990710308126091240101100

Answered: Weekly sales of the Weber Dicamatic…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Please solve the question in the image asap. Here are the answer choices:
Find a best-fit line for the following 5 data points. Please state the equation of the line, and give the error vector. 2|3 3 3 45
For the data set, perform a 3 month moving average to determine the forecast for month 13. Show all work in an Excel file. month rate 1 9.5 2 9.3 3 9.4 4 9.6 5 9.8 6 9.7 7 9.8 8 10.5 9 9.9 10 9.7 11 9.6 12 9.6
Why can’t the following mode predict 100% of the variability in the price of a used Corolla?
Step 4 The following table summarizes the given data and the forecast values. There will not be a forecast error for the first month. Complete the columns for the forecast error and squared forecast error. Month Value Forecast Value 1 2 3 4 5 6 7 19 27 23 28 24 23 28 19 23 23 24.25 24.2 24 Forecast Error Actual - Forecast Submit Skip (you cannot come back) 27 19 = 8 0 5 -0.25 4 Total Squared Forecast Error (Actual - Forecast)² (8)² = 64 0 1.44 The MSE will be the average of the squared forecast error column. Find the average of this column, rounding the result to two decimal places. MSE =
Calculate variance and co-efficient of variation from the following data: Class Interval : 12-16 16-20 20-24 24-28 28-32 32-36 Frequency: 2 8 18 10 6. 5
An article reported on a long-term study of the effects of hurricanes on tropical streams of a forest. The study shows that a hurricane had a significant impact on stream water chemistry. The following shows a sample of 10 ammonia fluxes in the first year after the hurricane. Data are in kilograms per hectare per year. Complete parts (a) through (c) below. 99 85 147 147 177 116 57 57 89 156 D a. Find the mean. The mean is. (Type an integer or decimal rounded to one decimal place as needed.) b. Find the median. The median is (Type an integer or decimal rounded to one decimal place as needed.) c. Find the mode(s). Select the correct choice below and, if necessary, fill in the answer box within your choice. O A. The mode(s) is(are) (Use a comma o separate answers as needed.) O B. There is no mode.
Sections a and b please
The following 10 questions are pertaining to this Data (Please input this data into an Excel worksheet and do not forget to include a column for the time period Year QTR SUBSCRIBERS 2000 1. 205 2. 400 200 4. 229 2001 236 2. 219 211 200 2002 280 2. 275 3. 261 4. 322 2003 1. 500 2. 230 310 4. 400 2004 1. 325 2. 241 3. 379 4. 316 1 pts The Trend Value (using Regression) for Quarter 1 of 2002 is: O 235.94 O 355.98 O 229.23 O 277.95
Include the explanation please.
What are the most likely values of r for each plot of data shown below? Figure 1 *AT THE TOP r = -0.5 r = 0 r= 0.5 r = 1 ? Answer: Figure 2 *AT THE Bottom r = -0.5 r = 0 r= 0.5 r = 1 ? Answer:

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