Practice Introduction (1) - Normal Distribution - IB 10 Mathematics

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10 questions

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6 sample questions

Question 1.
What is the mean in a Normal Distribution?
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Think about what the average represents.
Question 2.
What does a bell-shaped curve represent?
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Look at the name of the curve for a clue.
3Question 3.
What is the shape of the Normal Distribution?
- Circular
- Bell-shaped
- Rectangular
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It is symmetrical around the mean.
4Question 4.
True or False: The mean, median, and mode are all equal in a Normal Distribution.
- True
- False
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Think about the definition of symmetry.
Question 5.
A class of students has test scores that are normally distributed with a mean of 75 and a standard deviation of 10. What percentage of students scored between 65 and 85?
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Think about how the Empirical Rule applies in this scenario.
Question 6.
Explain how you would apply the Central Limit Theorem when sampling a population of weights with unknown distribution.
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Consider the effects of larger samples on the behavior of averages.

6 more questions in this section. Enroll free to practise them all.