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2 cards from this section. Quick, good the night before a test.
Calculate the mean of these numbers: 4, 6, 8.
Add the numbers and divide by how many there are.
Find the mean of 10, 20, 30, 40.
What do you get when you add them all up?
What is the mean of the numbers 2, 4, 6, 8?
Find the total and divide by the count.
True or False: The mean is always the best measure of central tendency.
Think about the role of outliers.
Calculate the mean of the following numbers: 10, 20, 30, 40, 100. Discuss how the outlier affects the result.
Look at the difference made by the highest number.
In a company, employees' salaries are 30000, 32000, 31000, and one employee earns 100000. Calculate the mean salary and discuss its implications.
Consider how the mean may not appropriately reflect employees' salaries.
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