Mathematics, 30.12.2021 14:00, zarbyp30

Find the first quartile and third quartile of data given below: C I 20-30 frequency 10
CI 30-40 frequency 8
CI 40-50 frequency 9
CI 50-60 frequency 10
CI 60-70 frequency 9
CI 70-80 Frequency 4
where ci is class interval

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Find the first quartile and third quartile of data given below: C I 20-30 frequency 10
CI 30-...