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2 cards from this section. Quick, good the night before a test.
What are the two parameters that define a Normal Distribution?
These numbers are central to the distribution's shape.
What is the shape of the Normal Distribution?
Think of a bell!
What is the shape of a Normal Distribution?
Visualize a bell.
The Empirical Rule states that ____% of the data falls within ±2σ.
Think of the summary rule of 68-95-99.7.
A dataset has a mean of 50 and a standard deviation of 5. Calculate the probability that a randomly selected value is greater than 55.
Think about the tail of the distribution!
Given a normal distribution where μ = 200 and σ = 30, what raw score corresponds to the 95th percentile?
Z-tables give percentiles; remember to rearrange the percentile formula!
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