What percentage of respondents is contacted typically duringdata validation?
Group of answer choices
10%
15%
25%
33%
40%
A researcher should consider answers to all of the followingquestions except _____ when selecting a particular test ofsignificance.
Group of answer choices
how many samples are involved in the test?
are the samples related?
what type of data is involved?
what is the level of significance?
all of the above should be addressed
The level of significance chosen for hypothesis testing is basedon _____.
Group of answer choices
the desired level of confidence one wishes to have in theresults
the desired degree of precision
how much risk of a type I error one is willing to accept
the statistical test used
whether the sample is a probability sample
