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# Unit 9: Sampling distributions

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A sampling distribution shows every possible result a statistic can take in every possible sample from a population and how often each result happens - and can help us use samples to make predictions about the chance tht something will occur. This unit covers how sample proportions and sample means behave in repeated samples.

## Biased and unbiased point estimates

### Practice

#### Quiz 1

Level up on the above skills and collect up to 240 Mastery points

## Sampling distributions for differences in sample proportions

### Practice

#### Quiz 2

Level up on the above skills and collect up to 400 Mastery points

## Sampling distributions for differences in sample means

### Practice

#### Quiz 3

Level up on the above skills and collect up to 320 Mastery points
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#### Unit test

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