Q1 of 79 Page 24

Find the median of the following data

83, 37, 70, 29, 45, 63, 41, 70, 34, 54

Given numbers are:

83, 37, 70, 29, 45, 63, 41, 70, 34, 54


Arrange the numbers in ascending order:


29, 34, 37, 41, 45, 54, 63, 70, 70, 83


n = 10 (even)


Therefore, Median =


=


=


=


= = 49.5


More from this chapter

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11

Five coins were simultaneously tossed 1000 times and at each toss the number of heads were observed. The number of tosses during which 0, 1, 2, 3, 4 and 5 heads were obtained are shown in the table below. Find the mean number of heads per toss.















No. of heads per toss



No. of tosses



0


1


2


3


4


5



38


144


342


287


164


25



Total



1000


 12

Find the missing frequencies in the following frequency distribution if it is known that the mean of the distribution is 50.





















x:



10



30



50



70



90




f :



17



f1



32



f2



19



Total 120.


 2

Find the median of the following data

133, 73, 89, 108, 94, 104, 94, 85, 100, 120

 3

Find the median of the following data

31, 38, 27, 28, 36, 25, 35, 40