A-level: Without knowing the shape of the population, explain what we can say about the shape of the sampling distribution and why?

Describe the sampling distribution of p​, the proportion of people who are satisfied with the way things are going in their life. Be sure to verify the model requirements.

If the sample size is increased, the margin of error will decrease.   True or False

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What is the estimated standard error of the mean based on these sample data? Y -2 1 3 2 -1 0 4 6

You randomly selected one sample of 40 citizens of your city to see if they wanted to increase taxes for education but you decided that you would do half younger people and half older people. Explain your answers. Is this random sampling?   Is this simple random sampling?

Describe the advantages and disadvantages of convenience sampling.

A hockey coach wants to show that there is no relationship between player attitudes about their most recent loss and the career choice of their father. What sampling method is the hockey coach using?