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20 June, 12:14

What is the mean of the values in the stem-and-leaf plot?

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Key: 2|5 means 25

A stem-and-leaf plot with a stem value of 1 with a leaf value of 2, 3, 5, a stem value of 2 with a leaf value of 8 and 8, a stem value of 3 with a leaf value of 0, and a stem value of 4 with a leaf value of 2.

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  1. 20 June, 15:05
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    mean = 24

    Step-by-step explanation:

    In a stem-and-leaf plot, each leaf represents a number or piece of data.

    Each the leaf will only show the last digit of the number, and the stem will have the rest.

    Examples:

    stem value of 1 with a leaf value of 2 = 12

    a stem value of 3 with a leaf value of 0 = 30

    So, this is your plot:

    Stems| Leaves

    1 | 2 3 5

    2 | 8 8

    3 | 0

    4 | 2

    Your data is 12, 13, 15, 28, 28, 30, 42.

    Add up all these numbers and divide by the number of leaves.

    Sum of data = 12 + 13 + 15 + 28 + 28 + 30 + 42 = 168

    Number of leaves = 7

    168 : 7 = 24

    ∴ The mean is the values in the stem-and-leaf plot is 24.
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