1. The weights of 30 students in a class ( in Kg ) are as follows. 42 , 52, 46 ,63, 47 ,40,50,63,52, 57,40,47,55 ,52, 49, 42,56,51 ,48,47, 44,54, 54,62, 60,58,56,60,58,53.
Answer the following questions:
a) If the student of this age- group under 45 Kg are considered under weight ,what percentage of them are under weight?
b)What weight range do most students lie in?
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Answered by
4
Answer:
hey mate
Step-by-step explanation:
The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.
Answered by
4
Step-by-step explanation:
Firstly draw frequency distribution table of class interval of 5 as shown in picture
second picture is answer of a part
third picture is answer of b part.
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