- Vaishnavi has not gone to school as she is ill. Her mother has kept a record of her body temperature for three days as shown in Table 7.4.
Table 7.4: Body temperature record of Vaishnavi
\begin{tabular}{|l|l|l|l|l|l|l|}
\hline \multirow[b]{2}{*}{DAY} & \multicolumn{6}{|c|}{Temperature at}
\hline & 7am & 10am & 1pm & 4pm & 7pm & 10pm
\hline One &
38.0∘C &
37.8∘C &
38.0∘C &
38.0∘C &
40.0∘C &
39.0∘C
\hline Two &
38.6∘C &
38.8∘C &
39.0∘C &
39.0∘C &
39.0∘C &
38.0∘C
\hline Three &
37.6∘C &
37.4∘C &
37.2∘C &
37.0∘C &
36.8∘C &
36.6∘C
\hline \end{tabular}