Calculate the seasonal index for the following data by using theTTTTaverage method.2nd Quarter3rd Quarter4th Quarter1st Quarter7276747678Year19741975197619771978687066747480828484867074807882

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Answered: Calculate the seasonal index for 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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Find the 4 yearly moving averages from the following data (1) by centering the averages and (i) by centering the totals : Year: 1989 | 1990 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 Prodn. (in tonnes) : 75 85 98 90 95 108 124 140 150 160
1937 -3.8 1938 3.3 1939 4.6 1940 4.5 1941 5.4 1942 2.9 1943 -0.6 1944 4.1 1945 4.8 1946 4.4 1947 0.5 1948 3.4 1949 -1.4 1950 -6.3 1951 2.5 1952 1.7 1953 5.9 1954 0.5 1955 3.6 1956 3 1957 -1.1 1958 6 1959 3.8 1960 2.7 1961 4.9 1962 2.9 1963 0.7 1964 4.5 1965 2.1 1966 2.9 1967 4.5 1968 3.8 1969 -2.9 1970 3.1 1971 2.2 1972 0.7 1973 2.3 1974 2.6 1975 2.4 1976 4.3 1977 2.3 1978 3.5 1979 0.2 1980 0.5 1981 5.5 1982 1.9 1983 6.3 1984 4.4 1985 1.5 1986 6.1 1987 4.4 1988 3.5 1989 3.5 1990 4.4 1991 1.6 1992 5.8 1993 -0.4 1994 6.3 1995 4.5 1996 2.9 1997 3.9 1998 4.5 1999 5 2000 3.5 2001 5.1 2002 4.2 2003 6.4 2004 4.1 2005 3.7 2006 6.3 2007 3 2008 2.8 2009 2.1 2010 7.2 2011 4.2 2012 3.6 2013 2.8 2014 4.4 2015 5.6 2016 4.7 2017 1.9 2018 5.4 2019 5.8 Find question 12
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Calculate the seasonal index for the following data by using the average method. Year 1st Quarter 2nd Quarter 3rd Quarter 4th Quarter 1974 1975 1976 1977 1978 72 76 74 76 78 68 70 66 74 74 80 82 84 84 86 70 74 80 78 82