Arrange the given heights of 20 students in grouped distribution with a class in

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Arrange the given heights of 20 students in grouped distribution with a class interval of 5. The number of students above the height of 169cm is ___ Heights (in cm): 150, 153, 162, 170, 186, 153, 162, 180, 165, 150, 178, 156, 184, 176, 173, 186, 159, 183, 180, 156.

Answer:
:

\begin{matrix} Height & Number of Students 150-154 & 4 155-159 & 3 160-164 & 2 165-169 & 1 170-174 & 2 175-179 & 2 180-184 & 4 185-189 & 2 Total & 20 \end{matrix}

Number of students above the height of 169 = 2+2+4+2=10

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