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To find the average of the numbers in the list, we first add up all the numbers and then divide by the total count of numbers.

The list is: \( 42, 48, 51, 52, 53, 54 \).

1. Calculate the sum:
   \[
   42 + 48 + 51 + 52 + 53 + 54 = 300
   \]

2. Count the number of elements in the list:
   \[
   6
   \]

3. Divide the sum by the number of elements to find the average:
   \[
   \text{Average} = \frac{300}{6} = 50
   \]

Therefore, the average of the list is \( 50 \).

Would you like more details or have any questions? Here are some questions you can ask:

1. How do you find the median of a list of numbers?
2. Can you explain how to find the mode of a dataset?
3. How do you calculate the variance and standard deviation?
4. What is the difference between mean, median, and mode?
5. How do you interpret the standard deviation in a dataset?

**Tip:** When calculating the average of a list of numbers, ensure to double-check the sum and the count of elements to avoid errors.

Learn how to calculate the average of a list of numbers: 42, 48, 51, 52, 53, 54. Step-by-step solution provided, including sum calculation and division by the count of numbers. Suitable for students in Grades 5-8.

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