what is the mean of 	58	74	74	47	57	74	58	53	54

To calculate the **mean** (or average) of a set of numbers, follow these steps:

1. **Add all the numbers together**.
\[
58 + 74 + 74 + 47 + 57 + 74 + 58 + 53 + 54 = 549
\]

2. **Divide the sum by the total number of values**.
There are 9 numbers, so:
\[
\frac{549}{9} = 61
\]

The mean of the data set is **61**.

Would you like to go into more detail or ask any questions about this?

Here are 5 related questions for further practice:
1. What is the median of this set of numbers?
2. How do you find the mode of this data set?
3. If one more number, 65, is added to the set, what will the new mean be?
4. How does the mean change if you remove the highest value, 74?
5. What is the range of this data set?

**Tip:** The mean is sensitive to outliers (extremely high or low values), so it may not always reflect the "typical" value in a data set.

what is the mean of 58 74 74 47 57 74 58 53 54

Learn how to calculate the mean (average) of the data set: 58, 74, 74, 47, 57, 74, 58, 53, 54. This step-by-step guide explains how to add the numbers together and divide by the total number of values. Suitable for Grades 6-8 students.

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