find the mean and median of the following data.
(i) 5,15,20,8 and 12.
(ii) 34,47,41,52,53,56,35 and 49
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Answer:
1) Mean = 12 Median = 12
2) Mean = 45.875 Median = 48
Step-by-step explanation:
1) Mean = 5+15+20+8+12 ÷ 5
= 60 ÷ 5
= 12
Median = 5, 8, 12, 15, 20 ( Orderwise)
= 12 comes in the middle
2) Mean = 34+47+41+52+53+56+35+49 ÷ 8
= 367 ÷ 8
= 45.875
Median = 34, 35, 41, 47, 49, 52, 53, 56 ( Order wise)
= 48 as 48 comes in between 47 and 49 we do this method when addition of numbers are even.
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