Statistics Vocab. Word Scramble
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Question | Answer |
Population | The whole group |
Stratified samples | A method actively seeking to poll people from many different backgrounds |
Biased Samples | If the sample ends up with one or more sub-groups that are either over-represented or under-represented |
Cherry Picking | The practice of polling only those who you believe will support your cause |
Non-response bias | A survey that is simply handed out gains few responses when compared to the number of surveys given out |
Self-selected sample | Self-selected respondents who tend to have stronger opinions on subjects than others and are more motivated to respond may also cause bias |
Face to face interviews | Fewer misunderstood questions, high response rate, additional information can be collected from respondents, time-consuming, expensive, can be biased based upon the attitude or appearance of the surveyor |
Self-administered surveys | Respondent can complete on his or her free time, less expensive than face-to-face interviews, anonymity causes more honest results, lower response rate |
Random Samples | Method in which people are chosen “out of the blue", everyone in the population must have the same chance of being chosen |
Measure of central tendency | Values that describe the center of a distribution |
Frequency distribution table | Lists the data values, as well as the number of times each value appears in the data set |
Ungrouped data | Data that is listed |
Grouped data | Data that is placed in intervals |
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