1.The daily attendance of classes VA, VB and VC on 5 days of a week are given below:
MONDAY TUESDAY WEDNESDAY THURSDAY FRIDAY
VA 48 50 52 46 44
VB 48 51 48 45 47
VC 50 47 45 48 53
a) Which class had the best average attendance during the week and which class had
the worst average attendance during the week?
b) On which day the average attendance of the three classes was the (i) best (ii)worst?
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Answer:
Avg. of all 3classes.
is
A is 48+50+52+46+44/5
=48
B is 48+51+48+45+47/5
=47.8
C is 50+47+45+48+53/5
=48.6
a.)Worst is VA
Best is VC
b.)
Avg. of all 5 days
Mon 48+48+50/3
=48.3
Tue 50+51+47/3
=49.3
Wed 52+48+45/3
=48.3
Thu 46+45+48/3
=46.3
Fri 44+47+53/3
=48
i.)Worst is Mon,Wed
Best is Tue
Thanks giving:
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