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2 cards from this section. Quick, good the night before a test.
What is the Assumed Mean?
Think of a figure we expect the actual mean to be near.
How do you calculate deviations?
Deviations tell us how far observations are from our guessed average.
What is the primary purpose of the Assumed Mean Method?
Think about why we would not want to calculate everything directly.
True or False: The Assumed Mean Method requires large datasets to be effective.
Reflect on situations where this method shines versus standard methods.
Given the weekly incomes of several families: 900, 800, 1000, and 700, assume the mean is 850. Calculate the actual arithmetic mean using the Assumed Mean Method.
Be meticulous with your sums and divisions!
Using large data points for incomes of: 5000, 7000, 6000, and an assumed mean of 6500, calculate the deviations, their sum, and derive the new mean.
Ensure accuracy in your addition and subtraction!
5 more questions in this section. Enroll free to practise them all.
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