. Applied Statistics Exercise . . Seasonal Indices I II III IV Total .
. . . Seasonal indices .
. . . The Grand Average = .
. Three yearly moving average Year Three yearly moving total 46410 52010 63040 79470 94050 102450 Three yearly moving average 15470 17336. 21013. 26490 31350 34150 .
Five yearly moving average Year Four yearly moving total Four yearly moving average . . . .
. . . XII Std - Business Maths & Stat EM - - .
Free hand method . a = . ; b = . ; Y = .
( - ) = . . Semi- Average I = . Semi- Average II = .
. Monthly Indices Jan Feb Mar Apr May June July Aug Sep Oct Nov Dec Monthly Total Monthly Average . . .
Seasonal Indices . . . .
Grand Average = . . Seasonal Indices I II III IV Total Average . .
. . Seasonal indices . .
. Grand Average = . O X ¢ Y ¢ Y XII Std - Business Maths & Stat EM - - Answers