Practice Definition Of Normal Distribution (20.1)

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11 questions

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6 sample questions

Question 1.
What is the shape of the Normal Distribution?
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Think about how it looks on a graph.
Question 2.
Define Mean in the context of Normal Distribution.
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It's the center around which data clusters.
3Question 3.
What shape does a Normal Distribution have?
- Bell-shaped
- Square-shaped
- Linear
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Visualize it.
4Question 4.
Is the mean equal to the median in a Normal Distribution?
- True
- False
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Think about symmetry.
Question 5.
If the test scores of a class are normally distributed with a mean of 75 and a standard deviation of 10. What is the z-score for a score of 90?
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Use the Z-score formula.
Question 6.
A dataset is normally distributed with a mean of 100 and standard deviation of 15. Calculate the probability that a randomly selected value is greater than 115.
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What does the z-table tell you about values above your Z-score?

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