Question

Centuries scored and number of cricketers in the world are given below.
No. of centuries
5
10
15
20
25
No. of cricketers
56
23
39
13
8
Find the mean, median and mode of the given data.
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Answer 1

Answer:

$5 + 10 + 15 + 20 + 25 = so \:$

Answer 2

Step-by-step explanation:

No of centuries No of cricketers Cumulative frequenc

5 56 56

10 23 79

15 39 118

20 13 131

25 8 139

To find the mean we will add up total number of centuries, then divide by total number of cricketers.

So,

Mean =

(56+23+39+13+8)

(5×56+10×23+15×39+20×13+25×8)

Mean = (280+230+585+260+200)/139=1555/139=11.18

As we can see that the number of centuries by the greatest number of crickets are 5, so, the mode will be 5.

As we can see there are 139 cricketers, arranged in increasing order of their number of centuries. So, the middle one will be (139+1)/2=140/2=70

th

cricket in the list.

So, the median will be the number of centuries corresponding to cumulative frequency, just greater or equal to 70, i.e. 10.

Therefore, median is 10.