$\begin{tabular}{|c|c|c|c|c|c|} \hline Day & 1 & 2 & 3 & 4 & 5 \\ \hline High temperature (${}^{\circ}$F) & 81 & 80 & 81 & 81 & 82 \\ \hline \end{tabular}$<br/><br/>Over this 5-day period, which of the following is NOT equal to 81${}^{\circ}$F?
MM
Mashaal Masha
Mar 16, 2024
The high temperature, in degrees Fahrenheit (°F), in a certain city was recorded for each of 5 days. The data are shown below.
Day
1
2
3
4
5
High temperature (°F)
81
80
81
81
82
Over this 5-day period, which of the following is NOT equal to 81${}^{\circ}$F?