+ ( - ) = . When X = , Ŷ = . + ( - ) = . Exercise .
. Laspeyre’s IN = . Paasche’s IN = . .
Laspeyre’s IN = . Paasche’s IN = . . Laspeyre’s IN = .
Paasche’s IN = . Fisher’s IN= . . Fisher’s IN = .
TRT= FRT = / . Fisher’s IN = . . Fisher’s IN = .
TRT = . Cost of Living Index = . . Cost of Living Index = .
. Cost of Living Index = . Exercise . .
R = , UCL = . , CL = , LCL = . X = . , UCL = .
, CL = . , LCL = . XII Std - Business Maths & Stat EM - - R = . , UCL = .