What do you call the error you make you are deciding your sample? Explain each of them shortly.

4 What types of error would be most likely in each of the following circumstances?

a. telephone survey using only a telephone book

b. having members of the Dallas Cowboys Cheerleading Squad administer mall intercept interviews the respondents may be ill or not comfortable, in a hurry or preoccupied, otherwise distracted which would affect the quality of the data obtained from the interviewer. - I

c. asking respondents how much they spend on eating out in a year

d. mail survey of physicians

e. Please indicate your annual household income. $ _________________

5. What types of surveys are most likely to be used in each of the following circumstances and why? (Consider more than one factor when making your decision)

a. a survey of illiterate people living in a government-assisted housing complex

b. a taste test of several new flavors of cola

c. a test of radio jingles for a new cellular telephone company that needs a high-quality sample

d. a census of customer satisfaction surveys for an online bookstore

e. Immediate reaction of attendees of a concept car show