Mathematics
The histogram drawn on the graph represents the number of students of different heights (in cm).
Using the graph, answer the following :
(a) the number of students whose height is 150 cm and above.
(b) the modal height.
(c) the total number of students.
Answer
(a) From graph,
Students whose height is 150 cm and above :
150 - 160 = 9 students
160 - 170 = 4 students
Total number of students whose height is 150 cm and above = 9 + 4 = 13
Hence, number of students whose height is 150 cm and above = 13.
(b) From graph,
The vertical line intersects the x-axis at 137.
Hence, the modal height = 137 cm.
(c) Total number of students = 6 + 2 + 9 + 14 + 12 + 9 + 4 = 56.
Hence, total number of students = 56.
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