Question

14. The mean age of a group of 40 students is 17.45 years. Find the missing frequentes
Age (in years)
15
18
20
Number of students
?
16
17
19
3
?
9
11
3​

Answer 1

Answer:

16 th is the correct answer

Answer 2

Answer:

6 & 8.

Step-by-step explanation:

I've solved the sum in this above picture.

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