28        36        26        40        23        35        30        27        22        35        25        22        28        31        34        26

It seems that you've provided a set of numbers. However, the purpose or the question regarding these numbers isn't clear. If you could provide more context or specify what type of analysis or operation you would like to perform with these numbers, I would be happy to assist you! Here are some possible analyses you might consider:

1. Calculating the Mean: Finding the average of the numbers.
2. Finding the Median: Determining the middle value when the numbers are sorted.
3. Calculating the Mode: Identifying the most frequently occurring number.
4. Finding the Range: Calculating the difference between the largest and smallest number.
5. Statistical Analysis: Standard deviation or variance calculations.

Please specify your requirements, and I can provide a detailed breakdown following the structure you've outlined.