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5. The quarterly sales data for three consecutive years are listed in the table below Year Quarter Sales MA CMA Index 0S0 1 1

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Answer #1

a) The quarterly index is given below

Year 1 Year 2 Year 3 Average
Quarter 1 0.904239 0.899696 0.901968
Quarter 2 0.448319 0.525844 0.487082
Quarter 3 1.34443 1.452724 1.398577
Quarter 4 1.274697 1.163995 1.219346

b) and c) is given below in the table

Year Sales (Yt) MA(4) CMA RTMA= Yt/CMA SI=S-Index DSD=Yt/S-Index
Year1 Quarter 1 1690 0.901968 1873.68
Quarter 2 940 0.487082 1929.86
Quarter 3 2625 1938.75 1952.50 1.34443 1.398577 1876.91
Quarter 4 2500 1966.25 1961.25 1.274697 1.219346 2050.28
Year2 Quarter 1 1800 1956.25 1990.63 0.904239 0.901968 1995.64
Quarter 2 900 2025.00 2007.50 0.448319 0.487082 1847.74
Quarter 3 2900 1990.00 1996.25 1.452724 1.398577 2073.54
Quarter 4 2360 2002.50 2027.50 1.163995 1.219346 1935.46
Year3 Quarter 1 1850 2052.50 2056.25 0.899696 0.901968 2051.07
Quarter 2 1100 2060.00 2091.88 0.525844 0.487082 2258.35
Quarter 3 2930 2123.75 1.398577 2094.99
Quarter 4 2615 1.219346 2144.59
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5. The quarterly sales data for three consecutive years are listed in the table below Year Quarter Sales MA CMA Index 0S0 1 1690 1938.75 2 940 19662 3 2625 1956.25 1952.5 1.34443 2500 2025 1961.25...
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