Question
The median of the following distribution is 52.5.find the value of x and y if the total frequency is 100.
Class.0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 90-100
Frequency.2 5 x 12 17 20 y 9 7 4
Class.0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 90-100
Frequency.2 5 x 12 17 20 y 9 7 4
English
Sept. 24, 2019, 6:37 p.m.
Answer
What is tyndall effect give an example why it observed in colloidal solution and not in true solution