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STATISTICS BRO
Question | Answer |
---|---|
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 |