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2 cards from this section. Quick, good the night before a test.
What is the mean of the numbers 2, 4, 6?
Add the numbers together and divide by how many there are.
Calculate the mean for {10, 20}.
What’s 10 + 20?
What is the formula for calculating the mean?
Remember the formula we discussed!
True or False: The mean is always the middle number in a sorted dataset.
Think of how we calculate these values!
A class has scores of {95, 100, 85, 70, 50}. Calculate the mean and discuss how an outlier might affect the calculation.
Add all scores first then divide.
Consider the data set: {25, 18, 20, 100}. Calculate the mean and analyze the impact of the extreme value.
What happens to the average with an extreme value?
5 more questions in this section. Enroll free to practise them all.
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