From the course: Statistics Foundations 2: Probability

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Discrete mean

Discrete mean - Microsoft Excel Tutorial

From the course: Statistics Foundations 2: Probability

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Discrete mean

- [Instructor] Discrete random variables. They are experimental results, often characterized by whole numbers. They cannot be decimals. Suppose we monitor the number of drinks ordered per customer at a particular Starbucks location between ten AM and 11 AM. The number of drinks ordered per customer would be discrete. I mean, you couldn't order half a drink or 30% of a drink. Here's the data for the number of drinks ordered per customer at a particular Starbucks between ten AM and 11 AM. In that one hour, there were 40 different paying customers. Note, we're only counting the number of drinks in their order. 22 customers ordered only one drink. 10 customers placed an order for two drinks in their purchases. We even had one customer that ordered zero drinks during their purchase. Perhaps they only bought a pastry. As you can see, during this one hour, each customer ordered between zero drinks and five drinks. Using…

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