1) what proportion of boys and girls should be selected? 2) How many boys and girls should be selected for a stratified random sample of 30 students? Explain how to obtain this sample question.
1 Answer
Aug 12, 2018
Not sure of part I)
Explanation:
Part ii)
To find a stratified sample it is
Total = boys + girls = 67 + 53 = 120
Sample size is 30
For boys:
For girls: