Question

8. For the following data, calculate mean by using direct and assumed mean method
Class interval 1-4
4-9
9-16
16-27
Frequency 6
26
12
20
​

Answer 1

Answer:

11.9375

Step-by-step explanation:

mid value and have to add frequency and also had to multiply fi and xi,add the fixifrom column

divide sigma fixi/sigma fi then ans

Answer 2

hiii

Step-by-step explanation:

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