Stage 9 - Q7 - 3 marks
20253
State the modal class and explain why the exact modal value is unknown.
Time (min)
Frequency
\(5\le t<10\)
3
\(10\le t<15\)
6
\(15\le t<20\)
10
\(20\le t<25\)
19
\(25\le t<30\)
7
Hint
Identify the largest count, not the largest class midpoint.