Let's say you are playing the stock market and below period 2020 data was provided. For "stock A" you use a 2 month movingaverage. For "stock B" you use exponential smoothing with (a= 0.3).Stock AStock B...Jan0.11Jan14Feb0.20Feb11Mar0.03Mar6AprMayApr1.20May0.50Jun0.03Jun12Jul0.10Jul16Aug011Aug14Sep0.56SepOct0.78OctNov0 44NovDec0.10DecWhat is the MAPE for Stock B?276AB.62%3.979999

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Answered: Let's say you are playing the stock…

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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Let's say you are playing the stock market and below period 2020 data was provided. For "stock A" you use a 2 month moving average. For "stock B" you use exponential smoothing with (a = 0.3). What is the Forecast in Stock B for January 2021? Stock A Stock B Jan 0.11 Jan 14 Feb 0.20 Feb 11 Mar 0.03 Mar Apr May 1.20 Apr May 6 0.50 Jun 0.03 Jun 12 Jul 0.10 Jul 16 Aug Sep 0.11 Aug 14 0.56 Sep 8 Oct 0.78 Oct 6 Nov 0.44 Nov 4 Dec 0.10 Dec 4 A) 0.61 7.97 6.78 D) 0.27
A police station had to deploy police officers for emergencies multiple times the lastfour evenings. The numbers of emergencies for Monday, Tuesday, Wednesday, andThursday were 7, 4, 8, and 11, respectively. What would be the station’s forecast forFriday using an exponential smoothing forecasting approach? Use α = 0.3 and aforecast for Monday of 9.
An economist at Nedbank ran a study of the relationship between FTSE/JSE All Shares index return (JALSH) and consumer price index (CPI) from 2006 to 2017, the data collected is shown in the Table 1 below. FTSE/JSE All Shares index return (JALSH) and consumer price index (CPI) from 2006 to 2017. Year JALSH (Y) CPI (X) 2006 0.41 4.7 2007 0.19 7.1 2008 -0.23 11.5 2009 0.32 7.1 2010 0.19 4.3 2011 0.03 5.0 2012 0.27 5.6 2013 0.21 5.7 2014 0.11 6.1 2015 0.05 4.6 2016 0.00 6.4 2017 0.21 5.3 The estimated regression…
Over the past 100 days, the price of a certain stock went up on 60 days and went down on 40 days. Explain why these data should not be used to test the claim that this stock price goes down on less than half of the days.
Use regression analysis to estimate a linear trend line for annual sales.
Stock A has an expected annual return of 18% and a volatility of 34%. Stock B has an expected annual return of 12% and a volatility of 28%. The correlation of the returns of the two stocks is equal to 0.4. Find the expected return of the efficient portfolio with a volatility of 29%. solve on paper please
Can you please anwer all parts of the question. The Conference Board produces a Consumer Confidence Index (CCI) that reflectspeople’s feelings about general business conditions, employment opportunities, and their own income prospects. Some researchers feel that consumer confidence is a function of median household income. Shown here are CCIs for 9 years and median household incomes for thesame 9 years published by the U. S. Bureau of the Census.
Suppose that you are a researcher and wish to construct a linear mathematical (statistical) model that relates the number of years and the corresponding exports (million U.S.$) of a country. The constructed model may use to forecasts the future values. You have obtained the relevant data for the during of 1990 to 1995 and you have listed the data in Table 5. Table 5. Shows the list of the amount that have earned on exports Year No. 1 2 3 4 5 6 Exports 4954 6131 6904 6813 6803 8137 (a) Construct a suitable graph that explains the relationship between the number of years and the corresponding exports. (b) Construct a mathematical (Statistical) model by using least square method between number of years and the corresponding sales. (c) Interpret the slope of the estimated linear model (d) Forecast the value of exports by using the estimated linear model for the year of 2000
What warehouse club sales does your model predict for 2020?
Perdisco Limited has shared their annual sales revenue over the last 6 financial years from 2010 to 2015. Year Sales ($ 000) 2010 4500 2011 5100 2012 4900 2013 5400 2014 5670 2015 6000 Using linear trend equation forecast the sales revenue of Perdisco Limited for 2016. Calculate the forecasted sales difference if you use 3-period weighted moving average designed with the following weights: 2013 (0.1), 2014 (0.3) and 2015(0.6). Please answer this question. this is not graded question. this is from book which is provided by my teacher for understanding concepts. Please solve this as i have finding difficulty in solving.
What is the correlation between the interest rate and the yield of the stock?
The following table gives the average monthly exchange rate between the U.S. dollar and the euro for 2009. It shows that 1 euro was equivalent to 1.289 U.S. dollars in January 2009. Develop a trend line that could be used to predict the exchange rate for 2010. Use this model to predict the exchange rate for January 2010 and February 2010. MONTH ______________________ EXCHANGE RATE January ....................................... 1.289 February ...................................... 1.324 March ......................................... 1.321 April .......................................... 1.317 May ........................................... 1.280 June ........................................... 1.254 July ........................................... 1.230 August ....................................... 1.240 September ................................... 1.287 October ..................................... 1.298 November .................................. 1.283 December…

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