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A life insurance agent found the …

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A life insurance agent found the following data for distribution of ages of 100 policy holders . calculate the median age,if policies are given only to person having age 18 years onwards but less than 60 year

    • Posted by Ambika Verma 1 year, 5 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Rohit Sharma 1 year, 5 months ago

    Class intervalFrequencyCumulative frequency  15−202 2  20−254 6  25−3018 24  30−3521 45  35−4033 78  40−4511 89  45−503 92  50−556 98  55−602 100 ⇒  N=100 then, 2N​=50 The cumulative frequency just greater then 50 is 78. ∴  Median class =35−40 Here, l=35,h=5,f=33,cf=45 Median=l+f2N​−cf​×h ⇒  Median=35+3350−45​×5 ⇒  Median=35+3325​=35.76

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