\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
The daily temperatures (in °C) in a city over the last 5 days were: $$22,\, 25,\, 19,\, 30,\, 24$$Find the standard deviation, rounded to 2 decimal places.
\(\sigma \approx\)
°C