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Mode of grouped data by L + (f1 - f0)/(2f1 - f0 - f2) x h

This type of question, asked 2 times: 2 Mar 2023 Tier II, 26 Oct 2023 Tier II. All 2 questions below, oldest first.

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  1. Question 1

    2 Mar 2023 Tier II

    7
    Find the mode for the given distribution (rounded off to two decimal places).
    Class Interval5 −- 1010 −- 1515 −- 2020 −- 2525 −- 3030 −- 35
    Frequency87691110

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  2. Question 2

    26 Oct 2023 Tier II

    4
    A set of data presented in the form of a frequency distribution table with class intervals and their respective frequencies had a mode of 48.5. The lower boundary of the modal class was 46.5; the frequency of the modal class was 34; the frequency of the class interval just preceding the modal class was 32 and the frequency of the class interval just succeeding the modal class was 25. What was the width of the modal class?

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