Question

The daily rainfall for each day of a week in a certain city is given in millimetres. Find the average rainfall during the week. 9,11,8,20,10,16,12.

Answer 1

Average rainfall during the week =(9+11+8+20+10+16+12) /7
= 86/7
= 12.2857143 mm

Answer 2

heya!

here's ur answer...

no. of days in a week=7days

therefore average rainfall during the week:-

=9+11+8+20+10+16+12/7

=86/7

=12.28mm

hope this helps..

thanks!!