help me in 3rd question plz urgent by short cut method
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Add all the no of marks and divide it by 10
43+60+37+100+13+48+57+109+59=526/10=52.6
43+60+37+100+13+48+57+109+59=526/10=52.6
Answered by
1
sum of all marks / no of observation
43+60+37+48+65+48+57+78+31+59/10
526/10
=52.6
43+60+37+48+65+48+57+78+31+59/10
526/10
=52.6
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