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.
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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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