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Chapter 3, Screenshot (230) - Coggle Diagram
Chapter 3
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Single Population Proportion, π
Point Estimate
The sample proportion calculated or obtained from sample data
p = x/n
where x = the number of successes in sample
and, n : the sample size.
Confidence Interval for π
From Chp 2
100(1-α)% CI for π is
Alternative Expression for π
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Single Population Variance,σ^2 & Standard Deviation,σ
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A difference between two population means, µ1-µ2
Point estimate for µ1-µ2
The difference between two sample means calculated or
obtained from sample data, x1' - x2'
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A difference between two population proportions, π1 - π2
Point Estimate π
The difference between two sample proportions calculated or obtained from sample data,
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