The heights (in cm) of students of a class is tabulated below. HeightNumber of students150−1544155−1593160−1642165−1691170−1742175−1792180−1844185−1892Total20 Identify the correct option.
A
Number of students having height in range of 160-174 cm is 5
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B
Number of students having height in range of 160-174 cm is 4.
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C
Number of students having height in range of 160-174 cm is 2.
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D
Number of students having height in range of 160-174 cm is 3
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Solution
The correct option is A Number of students having height in range of 160-174 cm is 5 The number of students having height in the range of 160 - 164 cm = 2
The number of students having height in the range of 165 - 169 cm = 1
The number of students having height in the range of 170 - 174 cm = 2 ∴ the number of students having height in range of 160-174 cm = 2 + 1 + 2 = 5.