Document how to record population averages in a memory efficient way #847

Job	Run time
Run linters with pre-commit	1m 23s
Determine Python versions	7s
Test building the documentation	1m 42s
Python 3.12 on ubuntu-22.04 (standalone: false, 32bit: false)	23m 4s
Python 3.12 on ubuntu-22.04 (standalone: false, 32bit: true)	21m 44s
Python 3.12 on ubuntu-22.04 (standalone: true, 32bit: false)	21m 26s
Python 3.12 on ubuntu-22.04 (standalone: true, 32bit: true)	20m 38s
Python 3.12 on windows-2022 (standalone: false, 32bit: false)	47m 13s
Python 3.12 on windows-2022 (standalone: false, 32bit: true)	47m 48s
Python 3.12 on windows-2022 (standalone: true, 32bit: false)	28m 4s
Python 3.12 on windows-2022 (standalone: true, 32bit: true)	26m 32s
Python 3.12 on macOS-12 (standalone: false, 32bit: false)	29m 53s
Python 3.12 on macOS-12 (standalone: false, 32bit: true)	28m 43s
Python 3.12 on macOS-12 (standalone: true, 32bit: false)	28m 39s
Python 3.12 on macOS-12 (standalone: true, 32bit: true)	29m 40s
Python 3.12 on macOS-14 (standalone: false, 32bit: false)	38m 48s
Python 3.12 on macOS-14 (standalone: false, 32bit: true)	37m 13s
Python 3.12 on macOS-14 (standalone: true, 32bit: false)	48m 19s
Python 3.12 on macOS-14 (standalone: true, 32bit: true)	46m 17s
Python 3.9 on ubuntu-22.04 (standalone: false, 32bit: false)	19m 23s
Python 3.9 on ubuntu-22.04 (standalone: true, 32bit: false)	18m 33s
Indicate completion to coveralls.io	14s
	9h 25m 23s

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