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Matt's Stack

Statistics Vocabulary

Method actively seeking to poll people from many different backgrounds. The population is first divided into different categories (or strata) and the number of members in each category is determined Stratified Samples
The sample ends up with one or more sub-groups that are either over-represented or under-represented. Biased Samples
The practice of polling only those who you believe will support your cause. Cherry Picking
A survey that is simply handed out gains a few responses when compared to the number of surveys given out. Non-response Bias
Respondents who tend to have stronger opinions on subjects that others and are more motivated to respond may also cause bias. Self-selected Sample
What the survey represents Population
A personal interview conducted by an interviewer Face to face Interviews
Data that is placed in intervals Grouped Data
Data that is listed Ungrouped Data
Displays data in an organized way Frequency distribution table
Mean, median, and mode Measure of central tendency
method which people are chosen out of the blue Random samples
answer questions on a questionnaire rather than having an interviewer. s-a Self-administered surveys
Created by: Matt12