Question

15. Find the missing frequencies f1 and f2 if mean obeservation given below is 38.2
Class:0-10,10-20,20-30,30-40,40-50,50- 60,60-70. Frequency:4,4,f1,10,f2,8,5. ​

Answer 1

Answer:

10 4 10-20 4 20-30 f1 30- 40 10 40-50 f2 50-60 8 60-70 5. 2. See answers ... It is given that Mean is 38.2 now solve eq1 ...

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Solution:Let us make a table for easy calculation[tex]\begin{table}[] \begin{tabular}{|l|l|l|l|

Step-by-step explanation:

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