QCE Together Year 12 Maths Methods: Sample Proportion

Maths Methods

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Sample Proportion

In this post, we understand the concept of the sample proportion [katex] \hat{p} [/katex] as a random variable whose value varies between samples, and the formulas for the mean [katex] p [/katex] and standard deviation [katex] \sqrt{p(1-p)/n} [/katex] of the sample proportion [katex] \hat{p} [/katex]. This syllabus dot point is a part of the QCE Maths Methods course under the topic Interval Estimates for Proportions and the Normal Distribution and sub-part Sample Proportion.

 

Sampling distribution of sample proportion

Part 1

 

Part 2

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