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2 cards from this section. Quick, good the night before a test.
Calculate the mean of the dataset: 10, 20, 30, 40, 50.
Add all numbers together and divide by how many there are.
What does the mean represent in a dataset?
Think about how you find the average in daily life.
What is the formula for calculating the mean of a dataset?
Think of how you find the average.
True or False: The mean is the middle value when data is sorted.
Remember the definitions of mean and median.
A company has five employees with salaries of $40,000, $50,000, $60,000, $70,000, and $80,000. What is the mean salary? Discuss the implications of that mean if one employee earns $150,000.
Consider how one high value affects the average in a small group.
A student scores the following grades across 10 subjects: 90, 85, 78, 88, 92, 75, 80, 83, 100, and 70. Calculate the mean score and reflect on its representation.
Analyze distribution and consider variability in performance!
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