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6 July, 19:25

which of the following numerical variables are continuous? which are discrete? a. number of injuries sustained in a fall b. fraction of birds in a large sample infected with avian flu virus c. number of crimes committed by a randomly sampled individual d. logarithm of body mass

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  1. 6 July, 21:14
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    Answer: a) b), c) are discrete variables and d) is continuous variable.

    Explanation:

    A continuous variable are those whose value is taking by measuring.

    A discrete variable are those whose value is taking by counting.

    So, a) Number of injuries sustained in a fall is done by counting - Discrete

    b) Fraction of birds in a large sample infected with avian flue virus is done by counting - Discrete

    c) Number of crimes committed by a randomly sampled individual is done by counting - Discrete

    d) Logarithm of body mass is done by measuring - Continuous

    Hence, a) b), c) are discrete variables and d) is continuous variable.
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