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Summarize the following dataset by calculating the mean. If necessary, round to the nearest whole number.

5, 5, 5, 10, 15, 20, 30, 40, 100, 120(1 point)
Responses

115
115

18
18

35
35

5\

1 answer

To calculate the mean of the dataset (5, 5, 5, 10, 15, 20, 30, 40, 100, 120), follow these steps:

  1. Add all the numbers together: \( 5 + 5 + 5 + 10 + 15 + 20 + 30 + 40 + 100 + 120 = 400 \)

  2. Count the number of values in the dataset: There are 10 values.

  3. Divide the sum by the number of values to find the mean: \[ \text{Mean} = \frac{400}{10} = 40 \]

The mean of the dataset is 40.