Of the following tumor sizes, what is the mean? 2mm, 1.5mm, 5mm, 4mm, 3.5mm, 2mm

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Multiple Choice

Of the following tumor sizes, what is the mean? 2mm, 1.5mm, 5mm, 4mm, 3.5mm, 2mm

Explanation:
To find the mean of the given tumor sizes, you need to sum all the sizes together and then divide by the number of sizes you have. 1. First, add all the tumor sizes: 2mm + 1.5mm + 5mm + 4mm + 3.5mm + 2mm = 18mm. 2. Next, count the number of sizes: There are 6 sizes. 3. Finally, divide the total size by the number of sizes to calculate the mean: 18mm ÷ 6 = 3mm. This calculation confirms that the mean size of the tumors listed is indeed 3mm. Understanding the process of calculating the mean—summing the values and then dividing by the count of values—is key for analyzing similar data sets in cancer registry operations or any other statistical evaluation.

To find the mean of the given tumor sizes, you need to sum all the sizes together and then divide by the number of sizes you have.

  1. First, add all the tumor sizes:

2mm + 1.5mm + 5mm + 4mm + 3.5mm + 2mm = 18mm.

  1. Next, count the number of sizes:

There are 6 sizes.

  1. Finally, divide the total size by the number of sizes to calculate the mean:

18mm ÷ 6 = 3mm.

This calculation confirms that the mean size of the tumors listed is indeed 3mm. Understanding the process of calculating the mean—summing the values and then dividing by the count of values—is key for analyzing similar data sets in cancer registry operations or any other statistical evaluation.

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