The time spent on the internet by each of 120 adults is recorded for one day. The cumulative frequency diagram shows this information. Use the cumulative frequency diagram to find an estimate of the interquartile range. h

Mathematics

IGCSE&ALevel

CAIE

Exam No：0580_s25_qp_21 Year：2025 Question No：12(a)

Answer:

1.4

C2.5.1 Derive and solve simple linear equations in one unknown.

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