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Population the people as a whole from a designated area (city, state, population)
Stratified samples a pole where specific amounts of specific groups of people are chosen
Biased Samples a sample that doesn't adequately represent the population as a whole
Cherry Picking choosing only people you think will support your cause
Non-response bias the people who don't respond are not included
Self-selected sample people who volunteer to give their opinion, likely to be biased
Face to face interviews conducting an interview in person
Self-administered surveys Respondent can complete on his or her free time, Less expensive than face-to-face interviews, Anonymity causes more honest results
Random Samples samples chosen from entirely random people with an equal chance of choosing any given group of people
Measure of central tendency values that describe the center of a distribution
Frequency distribution table a table that lists a group of data values, as well as the number of times each value appears in the data set.
Ungrouped data, data listed in a distribution table
Grouped data data placed in intervals
Created by: eric_thiele