Political pollsters now make sure to conduct a percentage of their telephone interviews by calling mobile phones. This policy best addresses which potential source of bias?

Question

anonymous · Answer

lack of access
voluntary response
wording bias
nonresponse
these are the choices

anonymous · Answer

next question Brand Y Cola sponsors a survey of 15,559 residents of Texas to determine which brand of cola they prefer. Forty percent say they prefer Brand X, and 60 percent say they prefer Brand Y. Which of the following is the population sample?

tainted · Answer

1.) Lack of access
medal please

tainted · Answer

working on 2.)

tainted · Answer

Brand Y because the outcome is greater than Brand X (60/40)

anonymous · Answer

A company wants to learn about the number of its employees who visit the dentist for regular checkups. Which type of study will best help the company discover this information?
census
survey sample
observational study
experiment

tainted · Answer

That would be B.) Census

medal please