The marks of 11 students out of 25 are as follows:
21, 20, 13, 15, 10, 20, 15, 21, 18, 20, 14
Find the mean, range, median and mode of the data.
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Answered by
7
Answer:
The range of the data 14, 6, 12, 17, 21, 10, 4, 3 is. (a) 21 ... The mode of the observations 23 , 26, 15, 12, 28, 38, ... Example 14: The median of observations 11, 12, 14, 18
Answered by
34
Step-by-step explanation:
Range =highest Value-lowest value
=21-10
=11
Mean =sum of observation
total no of observation
=21+20+13+15+10+20+15+21+18+20+14
11
=187
11
=17
Median = 10,13,14,15,15,18,20,20,20,21,21
= 18
Mode =20
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