kindly please answer all these questions
Answers
1)27.83333333
2)154.22
3)62.6
Step-by-step explanation:
Median = x= £fx
£f
1)39+21+23+17+32+41+18+26+30+24+27+36
12
2). X f fx
151 6 906
152 3 456
153 12 1836
154 4 616
155 10 1550
157 7 1099
156 8 1248
£f= 50 £fx= 7711
x= £fx
£f.
7711
50
= 154.22
3) X f fx
58 20 1160
62 15 930
60 25 1500
64 8 512
74 10 740
66 12 792
£f = 90 £fx = 5634
x= £fx
£f
5634
90
= 62.6