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i) 39
ii) 150-155
iii)5
iv)27
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Answer:
Step-by-step explanation:
128cm to 130 cm = 6 students
130 cm to 135 cm = 8 students
135 cm to 140 cm = 14 students
140 cm to 145 cm = 18 students
145 cm to 150 cm = 10 students
150 cm to 155 cm = 4 students
a) Height more than 135 cm but less than 150 cm = 14 + 18 + 10 = 42
b) Class interval with the least students = 150 cm to 155 cm
c) Class size = 6 + 8 + 14 + 18 + 10 + 4 = 60 students
d) Students with less than 140 cm = 6 + 8 + 14 = 28
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