What is the number of children of age 9 years or less whose height does not exceed 135 cm?
Explanation:
Number of children of age 9 years or less = 48
Number of children having height of 135 cm or less = 45
∵ The table given is a cumulative frequency table.
∴The lower value is the answer.
∴ 45 is the number of children satisfying both the conditions.
Hence, option (b).
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