Question

the marks of 11 students of a class are given below 78 1199 6394 678 3630 5522 ​

Answer 1

Given : The marks of 11 students of a class are as given below : 78,11,99,63,94,6,78,36,30,55,22  

To Find : The range of marks

Solution:

11 students Marks

78,11,99,63,94,6,78,36,30,55,22  

arranging data in ascending order

6 , 11  ,  22 ,  30  , 36  , 55 , 63 , 78  , 78 , 94 , 99

Median = 55

Range = Highest - Lowest

Highest = 99

Lowest = 6

Range = 99 - 6  = 93

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