systematic sampling
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systemically selecting every kth experimental unit from a list of all units
nonresponse bias
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when the researchers conducting a survey or study are unable to obtain
data on all experimental units selected for the sample
selection bias
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when a subset of the experimental units in the population is excluded so
that these units have no chance of being selected for the sample
summary table
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Lists categories & number of elements in category,
Obtained by tallying responses in category, May show
frequencies (counts), % or both
measurement bias
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inaccuracies in the values of the data recorded. In surveys, the error may
be due to ambiguous or leading questions and the interviewer's effect on
the respondent.
3 types of graphs that describe quantitative data
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Give this one a try later!
systemically selecting every kth experimental unit from a list of all units
nonresponse bias
Give this one a try later!
when the researchers conducting a survey or study are unable to obtain
data on all experimental units selected for the sample
selection bias
, Give this one a try later!
when a subset of the experimental units in the population is excluded so
that these units have no chance of being selected for the sample
summary table
Give this one a try later!
Lists categories & number of elements in category,
Obtained by tallying responses in category, May show
frequencies (counts), % or both
measurement bias
Give this one a try later!
inaccuracies in the values of the data recorded. In surveys, the error may
be due to ambiguous or leading questions and the interviewer's effect on
the respondent.
3 types of graphs that describe quantitative data
Give this one a try later!
