Question

3. If in a class of 20 students, 5 students have scored 76
marks, 7 students have scored 77 marks and 8 students
have scored 78 marks, then compute the mean of the
class.​

Answer 1

Answer:

Mean= 77

Step-by-step explanation:

mean= sum of observation in event / total no. of observations

So, 76+77+78 / 3

So, 231 / 3

= 77

Mean = 77

Answer 2

Step-by-step explanation:

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