Question

Calculate the method of semi - averages : Year : 1997 1998 1999 2000 2001 2002 60 75 81 110 106 120 Sales: ('000) in​

Answer 1

Calculate the method of semi - averages :

Year : 1997 1998 1999 2000 2001 2002

Sales: 60 75 81 110 106 120

Average = (60 + 75 + 81 +110+ 106+ 120)/6

Average = 552/6

Average = 92

Answer 2

Step-by-step explanation:

Four identical sized rods of different materials are sealed at the bottom of a vessel as shown in the figure. The same amount of wax is placed at the end of each of the rods. When the vessel is filled with boiling water, wax from which rod will melt the fastest