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AP Statistics
Unit 6 – Proportions
Topic 6.8
If two independent samples come from populations with very small sample sizes, can we still use the two-sample z-interval?
No, two-sample z-intervals require normal population distributions
Yes, as long as the sample sizes are less than 30
Yes, as long as the sample sizes are the same
No, two-sample z-intervals require large sample sizes
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AP Statistics - 6.8 Confidence Intervals for the Difference of Two Proportions
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Independent Samples
Populations
Sample Sizes
Two-sample z-interval
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