Interesting that at the moment there don't appear to be any current undergrads around.
I find the double peak distribution to be interesting.
I suspect that the double peak isn't statistically significant considering the sample size is still just 42.
And 42 is the answer to everything.
https://www.indexmundi.com/united_states/age_structure.html
Our structure is almost mirroring the US as a whole.
Then why did Trump win the election?
Is it because a mirror reverses the image?
Someone finally voted who is older than I am.
To paraphrase FlagDUDETTE, old enough not to tell you.