How to compare different groups with different sample size?
I am plotting students' data from different schools to see the difference between male and female student numbers at some majors. I am using python, I already plot the data for some schools and as I expected male numbers are genuinely higher, then I realized that for each school I have a different number of total students. does my work make any sense when the sample size is different? if not may I have some suggestion to make some changes.
Now I'm realizing.
Look: you have two classes where the first has 2 men, the second one - 20 men. And their marks. 2 men - both are 90/100. And 20 marks in the second one. Let it be a range from 40 to 80. Will it be correct if we say "Well, the first class made the test much better then the second"? Ofc, not.
To solve this problem just take a min(sizes of samples). If it looks too small, so throw away this programm, because you have not enough data to say something. And put a total size of sample via proxy legend or text, or add it in title. Anyway it will show you reliability of your results.
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