Exercise: 1.8.1Consider the monthly earning of a small business.Table 3Year1977197819791980198119821983Y1214181713417a) Find the 3 point moving average.b) Find the least squares trend line for small business using Zero- sum method.c) Find the least squares trend line for small business using sequential method.

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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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Year Quarter Revenue 2005 Qtr1 5,196 Qtr2 6,300 Qtr3 6,027 Qtr4 5,541 2006 Qtr1 5,109 Qtr2 6,455 Qtr3 6,402 Qtr4 5,895 2007 Qtr1 6,065 Qtr2 7,695 Qtr3 7,652 Qtr4 7,293 2008 Qtr1 7,360 Qtr2 9,035 Qtr3 8,299 Qtr4 7,015 2009 Qtr1 7,130 Qtr2 8,212 Qtr3 8,015 Qtr4 7,468 2010 Qtr1 7,700 Qtr2 8,655 Qtr3 8,407 Qtr4 10,475 Quarter 2005 2006 2007 2008 2009 2010 Qtr1 5,196 5,109 6,065 7,360 7,130 7,700 Qtr2 6,300 6,455 7,695 9,035 8,212 8,655 Qtr3 6,027 6,402 7,652 8,299 8,015 8,407 Qtr4 5,541 5,895 7,293 7,015 7,468 10,475 (b) State the model found when performing a regression using seasonal binaries. (A negative value should be indicated by a minus sign. Round your answers to 4 decimal places.) yt = + t + Q1 + Q2 + Q3 (c) Use the regression equation to make a prediction for each quarter in 2011. (Enter your answers in millions rounded to 3 decimal places.) Quarter Predicted Q1 Q2…
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Consider the monthly earning of a small business. Table 3 1077 1070 1070 100