a. if many independent random samples are drawn from a population, then the sample
statistics from those samples are distributed in a predictable way around the population
parameter
b. probability theory allows us to use a formula to estimate how closely the sample
statistics are clustered
c. the standard error identifies how spread out or clustered the sample statistics are
around the population parameter
d. sampling error allows us to know if we selected the wrong subjects for our sample
Supporters of Humphrey’s “Tearoom Trade” cited all of the following reasons for
Humphrey’s methods except
a. deceit used in the research was essentially harmless
b. the topic of anonymous sex in public places was worthy of study
c. being a voyeur in sexual encounters is something that “caught on” resulting in many
replications of his study
d. anonymous sex in public bathrooms could not be studied any other way
Of hair color and blonde, which is the attribute?
a. hair color