Duration of sunshine (in hours) in Amritsar for first 10 days of August 1997 as reported by the Meteorological Department are given below: 9.6, 5.2, 3.5, 1.5, 1.6, 2.4, 2.6, 8.4, 10.3, 10.9 Find the mean Verify that

Explanation

Duration of sunshine in Amritsar for `10` days= `9.6, 5.2, 3.5, 1.5, 1.6, 2.4, 2.6, 8.4, 10.3, 10.9`
Mean=Sum of observations/ No. of observations
Mean=`(9.6+5.2+3.5+1.5+1.6+2.4+2.6+8.4+10.3+10.9)/10`
`=56/10=5.6`
`therefore mean =5.6`