Statistical Studies Quiz

If it were possible to measure the presence of copper in the hair of all males with epilepsy in the world, do you think the average would be exactly 14 µg/g? Explain your thinking.

• Yes, because the sample accurately represents the entire population.

• No, because the sample may not accurately represent the entire population.

• Yes, because the margin of error guarantees accuracy.

• No, because the margin of error is not applicable in this situation.

What do you think 14 + 9 means in the context of the study on males with epilepsy?

• The range of copper concentration for all males with epilepsy.

• The maximum copper concentration for all males with epilepsy.

• The average copper concentration for all males with epilepsy.

• The minimum copper concentration for all males with epilepsy.

Have you ever seen a news report that mentions margin of error? What was the report about?

• Yes, about a sports event.

• Yes, about a political poll.

• Yes, about a scientific study.

• No, I have never seen such a report.

What does the 3% margin of error mean for Politician Paul in the election poll?

• His actual percentage of votes could be as low as 43%.

• His actual percentage of votes could be as high as 49%.

• His actual percentage of votes is exactly 46%.

• His actual percentage of votes is exactly 43%.

What does the 3% margin of error mean for Candidate Carl in the election poll?

• His actual percentage of votes is exactly 46%.

• His actual percentage of votes is exactly 43%.

• His actual percentage of votes could be as high as 46%.

• His actual percentage of votes could be as low as 40%.

What do the poll results tell you about the upcoming election?

• Politician Paul is likely to win.

• Candidate Carl is likely to win.

• The election will have a low voter turnout.

• The election is too close to call.

Based on the results of the rabbit diet study, what do you recommend to the farmers in the area?

• Stop using GLM in the rabbit food.

• Decrease the concentration of GLM in the rabbit food.

• Increase the concentration of GLM in the rabbit food.

• Keep the concentration of GLM in the rabbit food the same.

Does the fact that increasing the concentration of GLM in the rabbit food decreases the cost change your recommendation?

• The cost is not a relevant factor.

• It depends on other factors.

• No, it does not change the recommendation.

• Yes, it changes the recommendation.

What is the article 'Polls and poll-emics' by Leo, J. about?

• The accuracy of political polls.

• The need to see the actual questions in a poll.

• The impact of polls on public opinion.

• The importance of trusting pollsters' interpretations.