The sequence you've provided is a simple set of consecutive numbers: 16, 17, 18, 19, and 20. Here are a few observations and operations related to these numbers:

1. **Arithmetic Mean (Average)**:  
   The average of these numbers can be found by adding them up and dividing by the number of values:

   \[
   \text{Mean} = \frac{16 + 17 + 18 + 19 + 20}{5} = \frac{90}{5} = 18
   \]

2. **Sum**:  
   The sum of these numbers is:

   \[
   16 + 17 + 18 + 19 + 20 = 90
   \]

3. **Product**:  
   The product of these numbers is:

   \[
   16 \times 17 \times 18 \times 19 \times 20 = 1860480
   \]

4. **Range**:  
   The range is the difference between the largest and smallest values in the set:

   \[
   \text{Range} = 20 - 16 = 4
   \]

5. **Median**:  
   Since the numbers are consecutive and arranged in ascending order, the median (the middle number) is:

   \[
   \text{Median} = 18
   \]

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Do you want more details or have any questions about these operations?

### Related Questions:
1. What is the variance and standard deviation for these numbers?
2. Can you find the sum of the squares of these numbers?
3. What would the geometric mean of these numbers be?
4. How would you calculate the harmonic mean of these numbers?
5. How would these operations change if the sequence included decimals?

### Tip:
When working with sequences of numbers, always consider how the basic statistics like mean, median, and range can help reveal properties of the set!

Explore how to calculate the mean, sum, product, range, and median of the number sequence 16, 17, 18, 19, and 20. This guide provides a step-by-step solution for students in Grades 6-8, focusing on key arithmetic and statistical concepts.

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