Question
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: Option A
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HeightNumber of Students150-1544155-1593160-1642165-1691170-1742175-1792180-1844185-1892Total20
Number of students above the height of 169 = 2+2+4+2=10
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