The weight of 12 students was measured (in kg) and the results are as follows
41, 36, 38, 45, 42, 37, 49, 50, 52, 44, 48, 46
(1) Arrange the weights in ascending order.
(ii) What is the range of their weights?
Find the mean weight of the boys?
(iv) How many boys have weights more than the mean weight
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Answer:
Step-by-step explanation:
(1)ascending order
36, 37, 38, 41, 42, 44, 45, 46, 48, 49, 50, 52
(ii) range = (44+45)/2 = 44.5
mean= (36+37+38+41+42+44+45+46+48+49+50+52) / 12
= 528/12
=44
∴ mean= 44
(iv) 6 boys
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