Math Problem Statement

Consider the stem and leaf plot below.
7, 8, 9, 0, 2, 2, 4, 5, 6, 1, 2, 4 What is the mean of the numbers represented in the stem and leaf plot? A. 22 B. 23 C. 26.7 D. 29.3

Solution

To calculate the mean, follow these steps:

  1. List all the numbers represented in the stem and leaf plot:
    From the plot, we can see the numbers: 7, 8, 9, 0, 2, 2, 4, 5, 6, 1, 2, 4.

    So the numbers are:
    7,8,9,0,2,2,4,5,6,1,2,47, 8, 9, 0, 2, 2, 4, 5, 6, 1, 2, 4

  2. Sum all the numbers:
    7+8+9+0+2+2+4+5+6+1+2+4=607 + 8 + 9 + 0 + 2 + 2 + 4 + 5 + 6 + 1 + 2 + 4 = 60

  3. Count the total number of values:
    There are 12 numbers in total.

  4. Calculate the mean:
    The mean is calculated by dividing the sum of the numbers by the total number of values.
    Mean=Sum of numbersTotal number of values=6012=5\text{Mean} = \frac{\text{Sum of numbers}}{\text{Total number of values}} = \frac{60}{12} = 5

Therefore, the correct mean of the numbers represented in the stem and leaf plot is 5.

However, this doesn't seem to match the answer choices provided. It's possible that the plot you've given might have been misinterpreted or that the numbers were meant to be read differently. If the stem and leaf plot had a different format or the values you meant were different, feel free to clarify!

Let me know if you'd like more details on how to approach the mean calculation, or if there's a different interpretation I should follow.

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Math Problem Analysis

Mathematical Concepts

Mean
Statistics
Data Analysis

Formulas

Mean = Sum of values / Number of values

Theorems

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Suitable Grade Level

Grades 5-7