Week 7 - Analysis of Proportions

Question 1

Define ‘Standard error of the proportion’?

Answer 1

the standard deviation of the sample proportion for repeated samples.

Question 2

Define ‘Sampling distribution of the proportion’?

Answer 2

the distribution of all possible sample proportions from samples of a certain size.

Question 3

Define ‘Sample proportion’?

Answer 3

the number of items that have some characteristic of interest divided by the size of the sample.

Question 4

Define ‘Z test for the proportion’?

Answer 4

A test statistic used for a test of the population proportion.