Discussion Topic 1

Give an example of an opinion poll conducted by a media outlet, such as a newspaper or television station that includes a margin of error.

Interpret the results of the poll as a confidence interval.Did the outlet explain how the poll was conducted? Do you think participants in the poll constitute a random sample of the population?

Discussion Topic 2

Construct a 95% confidence interval for a population mean given that a random sample of n=20 measurements from the population had a sample mean of 10 with a sample standard deviation of 2.

Explain exactly how you did this. Did you employ a table, a calculator, StatCrunch, or some other statistical program?