1. Imagine you are designing a study to test whether people with more money are happier than people with less money. Identify the population of interest for your study and describe how you would...

1. Imagine you are designing a study to test whether people with more money are happier than people with less money. Identify the population of interest for your study and describe how you would select a sample from this population.

2. You read about a survey that reports that 86% of people in your country are happy with their present job. The margin of error reported is plus or minus 2.5%. Explain what this margin of error tells you.