Question

1) The following table gives weekly wages in rupees of workers in a certain comercial organization. The frequency of class 49-52 is missing. It is known that the mean of the frequency distribution is 47.2. Find the missing frequency.

Weekly wages : 40-43 ‎ 43-46 ‎ ‎ ‎46-49 49-52 ‎ ‎ 52- 55
No. of workers : 31 ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎58 ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎60 ‎ ‎ ‎ ‎ ‎ ‎ ?
27

2) The mean of the following frequency table 50. But the frequency F1 and F2 in class 20-40 and 60-80 are missing. Find the missing frequencies.

Class : ‎ ‎ ‎ ‎ ‎ ‎ ‎0-20 ‎ ‎ ‎20-40 ‎ ‎40-60 ‎ ‎60-80 ‎ ‎80-100
Frequency: 17 ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ f1 ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ 32 ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎f2 ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎19
Total : 120


Pls help me guys!! :(
I need to complete my Hw!!!!

Don't spam!!!!!!!!!!
​

Answer 1

hope this will help you in your homework:)

Answer 2

Step-by-step explanation:

hgrhfhgggghiiiiijjiiiii