Imagine you’re watching A Christmas Story, and Ralphie just opened up his brand-new Red Ryder BB Gun on Christmas Day. Red Ryder claims that their guns … Read More
Here’s an example problem that deals with calculating a t-score for a given sample mean: Question: Red Ryder BB Guns claims that their rifles shoot … Read More
t-scores are best used when you (1) are not given the population standard deviation or (2) do not have a sample size greater than 30. … Read More
In our IQ example from What is a Z-score?, we were simply given a data point and asked to compute its Z-score based on the … Read More
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