2.The following times series shows the demand for a particular product over the past 10 months.Month Demand1.3242311330343143236.31373028.315931210326a. Construct a time series plot. What type of pattern exists in the data?b. Develop a three-month moving average for this time series. Compute MSE and a forecast for month 11. Show your computations

Answered: 2.The following times series shows the…

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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consider the following time series data.Month 1 2 3 4 5 6 7Value 24 13 20 12 19 23 15a. compute MSe using the most recent value as the forecast for the next period. Whatis the forecast for month 8?b. compute MSe using the average of all the data available as the forecast for the nextperiod. What is the forecast for month 8?c. Which method appears to provide the better forecast?
Develop seasonal factors from the table below by following a 3-MA values for the time series data t 1 2 3 4 5 6 7 8 9 y 13 18 13 14 13 16 14 21 13
The following table shows the daily receipts in millions of dollars of the movie "Avatar" for successive Fridays after its opening on Friday 18 December 2009. Weeks $Receipts 2 68.49 4 42.785 6 31.28 8 23.611 10 13.655 12 6.526 14 2.047 16 0.844 18 0.92 20 0.425 22 0.188 24 0.076 26 0.045 28 0.028 Estimate the instantaneous rate of change of daily receipts 14 weeks after the opening day. Round to four decimal places..
The "Dogs of the Dow" are the stocks listed on the Dow with the highest dividend yield. The following table shows the top 10 stocks of the "Dogs of the Dow" list for 2015, based on their performance the preceding year. Symbol Company Price ($) Yield T AT&T 33.59 5.48% VZ Verizon 46.78 4.70% CVX Chevron 112.18 3.82% MCD McDonald's 93.70 3.63% PFE Pfizer 31.15 3.60% GE GeneralElectric 25.27 3.48% MRK Merck 56.79 3.17% CAT Caterpillar 91.53 3.06% XOM ExxonMobil 92.45 2.99% KO Coca-Cola 42.22 2.89% How many of these portfolios contain at least two stocks with yields above 3.5%?
The "Dogs of the Dow" are the stocks listed on the Dow with the highest dividend yield. The following table shows the top 10 stocks of the "Dogs of the Dow" list for 2015, based on their performance the preceding year. Symbol Company Price ($) Yield T AT&T 33.59 5.48% VZ Verizon 46.78 4.70% CVX Chevron 112.18 3.82% MCD McDonald's 93.70 3.63% PFE Pfizer 31.15 3.60% GE GeneralElectric 25.27 3.48% MRK Merck 56.79 3.17% CAT Caterpillar 91.53 3.06% XOM ExxonMobil 92.45 2.99% KO Coca-Cola 42.22 2.89% You decide to make a small portfolio consisting of a collection of 3 of the top 10 Dogs of the Dow. (a) How many portfolios are possible? __ = portfolios (b) How many of these portfolios contain VZ and MCD but neither KO nor XOM? __ = portfolios (c) How many of these portfolios contain at least two stocks with yields above 3.5%? __ = portfolios (ATTACHED IS THE IMAGE OF QUESTIONS, ANSWER A, B, AND C)
The "Dogs of the Dow" are the stocks listed on the Dow with the highest dividend yield. The following table shows the top 10 stocks of the "Dogs of the Dow" list for 2015, based on their performance the preceding year. Symbol Company Price ($) Yield T AT&T 33.59 5.48% VZ Verizon 46.78 4.70% CVX Chevron 112.18 3.82% MCD McDonald's 93.70 3.63% PFE Pfizer 31.15 3.60% GE GeneralElectric 25.27 3.48% MRK Merck 56.79 3.17% CAT Caterpillar 91.53 3.06% XOM ExxonMobil 92.45 2.99% KO Coca-Cola 42.22 2.89% You decide to make a small portfolio consisting of a collection of 6 of the top 10 Dogs of the Dow. (a) How many portfolios are possible? ____portfolios (b) How many of these portfolios contain MRK but not PFE? ____portfolios (c) How many of these portfolios contain at most one stock priced above $60? ____portfolios
The "Dogs of the Dow" are the stocks listed on the Dow with the highest dividend yield. The following table shows the top 10 stocks of the "Dogs of the Dow" list for 2015, based on their performance the preceding year. Symbol Company Price ($) Yield T AT&T 33.59 5.48% VZ Verizon 46.78 4.70% CVX Chevron 112.18 3.82% MCD McDonald's 93.70 3.63% PFE Pfizer 31.15 3.60% GE GeneralElectric 25.27 3.48% MRK Merck 56.79 3.17% CAT Caterpillar 91.53 3.06% XOM ExxonMobil 92.45 2.99% KO Coca-Cola 42.22 2.89% How many of these portfolios contain VZ and MCD but neither KO nor XOM?
Consider the following time series data: 1 2 3 4 5 6 7 26 15 22 14 21 25 17 PART 1.Compute MSE using the most recent value as the forecast for the next period and then calculate the forecast for month 8. PART 2.Compute MSE using the average of all the data available as the forecast for the next period. What is the forecast for month 8?
1. Consider the following time series: a. Construct a time series plot. What type of pattern exists in the data? b. Use simple linear regression analysis to find the parameters for the line that minimizes MSE for this time series.
Given is a historical time series for job services demand in the prior 6 months. Month Demand 1 812 2 799 3 777 4 811 5 765 6 791 The Period 4 forecast by using exponential smoothing with 0.33 alpha = (in 2 decimal places)
t Date Rate 1 1-Apr-04 1.8564 2 2-Apr-04 1.8293 3 5-Apr-04 1.8140 4 6-Apr-04 1.8374 5 7-Apr-04 1.8410 6 8-Apr-04 1.8325 7 9-Apr-04 1.8322 8 12-Apr-04 1.8358 9 13-Apr-04 1.8160 10 14-Apr-04 1.7902 11 15-Apr-04 1.7785 12 16-Apr-04 1.8004 13 19-Apr-04 1.8055 14 20-Apr-04 1.7914 15 21-Apr-04 1.7720 16 22-Apr-04 1.7684 17 23-Apr-04 1.7674 18 26-Apr-04 1.7857 19 27-Apr-04 1.7925 20 28-Apr-04 1.7720 21 29-Apr-04 1.7751 22 30-Apr-04 1.7744 23 3-May-04 1.7720 24 4-May-04 1.7907 25 5-May-04 1.7932 26 6-May-04 1.7941 27 7-May-04 1.7842 28 10-May-04 1.7723 29 11-May-04 1.7544 30 12-May-04 1.7743 31 13-May-04 1.7584 32 14-May-04 1.7572 33 17-May-04 1.7695 34 18-May-04 1.7695 35 19-May-04 1.7827 36 20-May-04 1.7710 37 21-May-04 1.7880 38 24-May-04 1.7908 39 25-May-04 1.8135 40 26-May-04 1.8142 41 27-May-04 1.8369 42 28-May-04 1.8330 (a) Make a line chart and fit an m-period moving average to the exchange rate…
Suppose the following are the seasonal indices for the first three quarters of the year for a quarterly series: Quarter Seasonal Index Q1 73.9 Q2 84.1 Q3 107.1 Remember that the seasonal indices should average 100 so you should be able to infer the seasonal index for Q4. Furthermore, suppose that the estimated coeffcients from a regression of the deseasonalized series on Time are given below: Coefficients Intercept 2,964 Time 50.7 What is the trend projection of the series for period 119? (please round your answer to 1 decimal

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