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5 May, 01:15

Janine is analyzing spending habits of students in her high school. She finds a mean monthly discretionary expense of $70 spent on having meals out with friends the standard deviation of the distribution is five. What is the variance?

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  1. 5 May, 01:24
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    Variance = 25

    Step-by-step explanation:

    Standard deviation is the under root of variance.

    Variance is the square of standard deviation.

    dа ta:

    Mean = 70

    Variance = ?

    Standard deviation = √variance = 5

    Variance = 5²

    Variance = 25.

    Therefore, the variance is 25.
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