Investigation 8

Investigation 8 - Joe Cremen Stats 217 Dr. Soma...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Joe Cremen Stats 217 Dr. Soma Investigation 8 1. a. Experiment b. Observational units: Households in America c. Variable(s): Whether the household received an incentive with their advance letter (Categorical). Whether the household responded to the telephone survey (categorical). d. Yes. The advantage to a randomly selected sample is that we can generalize the results to the rest of the population. e. Yes. The houses that were sent the incentive with the advance letter were randomly assigned. The advantage here is that the results can be generalized. Poorer families would be much more likely to participate with an incentive than would wealthy families. f. π1= proportion of households that participated in the study without receiving an incentive with their advance letter π2= proportion of households that participated in the study with receiving an incentive with their advance letter. g. Ho: There is no association between households receiving an incentive or not and response rates in telephone surveys. Ha: Households that receive incentives improve are more likely to respond to telephone
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/24/2011 for the course ECON 101 taught by Professor Smith during the Spring '11 term at Santa Clara.

Page1 / 2

Investigation 8 - Joe Cremen Stats 217 Dr. Soma...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online