Question

class 10 stats
The mean of following distribution, with 50 observations is 38.2. The values of missing frequencies f1and f2 are:

class interval. frequency
0-10. 4
10-20. 4
20-30. f1
30-40. 10
40-50. f2
50-60'. 8
60-70. 5​

Answer 1

Answer:

i hope this helps you

Answer 2

Step-by-step explanation:

I hope this help you. fi =7

f2 =12