a) The average temperature (Centigrade) in London varies from 14C to 31C during theyear.i.Calculate indices based on March, base = 100ii.What is the %age variation between the highest and the lowesttemperatures?MonthJanFebMarAprMayJunJulAugSepOctNovDecTempC152219242928312827221814Indexb) Below are the no of customers, visiting a local Tesco Express, in the first week ofholiday season. The store manager would like to avoid stock out in the busy period.Provide forecast of sales on Saturday next week, using 3 point moving average andseasonal variation. Assume same seasonal variation next period.

MonthTempIndexJan15Feb22Mar19Apr24May29Jun28Jul31Aug28Sep27Oct22Nov18Dec14

a) The average temperature (Centigrade) in London varies from 14C to 31C during the year. i. Calculate indices based on March, base= 100 ii. What is the %age variation between the highest and the lowest temperatures? Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Temp C 15 22 19 24 29 28 31 28 27 22 18 14 Index