Question

In a factory producing edible oil and marketing its product in 15 kg tins, uses five filling machines. Random samples of the packed tins were taken for each machine A,B.C,D and E were presented below 14.85 14.2 15.00 14.42 14.15 15.30 14.84 15.25 15.10 14.80 15.25 14.60 14.50 15.35 14.74 15.00 Analysis of data to test the Equality of efficiency of machines ere to sear

Answer 1

Solution e calculate he equality of efficien of packing machine inding the each machine by using Sampling lormula variance o-f ]/tN-リ ohere xndividuat dalo o cach Sample N NNo of Sample token grom fach machine Sum of (X.15) for machine t 14 , s 5-15)" : 0.0225 (15-15) 15 2515) O DI 4 80-15)D Addi-Hon al da ta 0 135 Division of data by IN-1)

r> 0135. 니 Sample Variation 04 machine 0 03375 ー> Sern i larly-/or machine Sample vori ation- 8548 STnitlaly tor machine 3 Similarle tor machine 4 amp lc Variation t. Dㅋ125 Similaltor machine 5 Sample variation: o o 952 dala of simple variance romthe above we can say、thaㅓ Machine l is as f4s Sample variance is lowest Machine 7 Machine 47 Machine 5 Machinc 3> Machine 2