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Home > CC2 > Chapter 1 > Lesson 1.2.4 > Problem 1-92

1-92.

Calculate the mean of each data set below. Can you find any shortcuts that allow you to find the mean without having to do much calculation? Homework Help ✎

The mean is the sum of all the values divided by the number of values.

  1. , , ,

    What is the mean of and ? Is it different from the mean of , , , and ?

  2. , , , ,

    What is the mean of and ? How does this help you find the mean more quickly?

  3. , , , , ,