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2 cards from this section. Quick, good the night before a test.
What is a weighted moving average?
Think about how some data might be more relevant than others.
Can a weighted moving average produce different results than a simple moving average?
Reflect on how we use different weights for different data points.
What is the main purpose of using a weighted moving average?
Think about the method of calculation.
True or False: Weighted moving averages only use the last data point for calculations.
Reflect on the definition of moving averages.
A company observed sales over the last six weeks: [10, 20, 30, 40, 50, 60]. Given weights of [1, 1, 2, 2, 3, 3], calculate the weighted moving average.
Ensure you multiply each sales figure by its respective weight.
In a financial report, a firm uses weighted moving averages to predict quarterly profits. Given the profits: [1000, 1500, 2000, 2500] with weights [1, 2, 3, 4], compute the weighted moving average.
Add all weighted profits and divide by the total weight sum.
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