​​12 people of a locality are asked aboyt number of hours they spent in doing welfare work for their colony. Their response was 5,7,3,4,3,11,2,4,8,9,6 and 4 hours respectively. (1) find the mean, median and mode of hors spent per week in social work by them. (2) what values can we draw from the above data?

Dear student,


We have, 5,7,3,4,3,11,2,4,8,9,6 and 4 hours Mean=sum of all observationsno. of observation= 5+7+3+4+3+11+2+4+8+9+6 +412=6612=5.5For Median arrange the terms in ascending order2,3,3,4,4,4,5,6,7,8,9,11Median=n2 term+n2+1 term2=6th term +7th term2=4+52Median=4.5Mode is the number which appears most often in the sequenceHere 4 appears 3  times which is maximum.Hence Mode =4

The people of the locality are displaying the values of social welfare, hard work.

Regards,

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