Statistics Vocab. for math
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Population | The whole group
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| Stratified samples | A method actively seeking to poll people from many different backgrounds
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| Biased Samples | If the sample ends up with one or more sub-groups that are either over-represented or under-represented
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| Cherry Picking | The practice of polling only those who you believe will support your cause
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| Non-response bias | A survey that is simply handed out gains few responses when compared to the number of surveys given out
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| 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
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| 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
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| 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
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| Random Samples | Method in which people are chosen “out of the blue", everyone in the population must have the same chance of being chosen
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| Measure of central tendency | Values that describe the center of a distribution
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| Frequency distribution table | Lists the data values, as well as the number of times each value appears in the data set
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| Ungrouped data | Data that is listed
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| Grouped data | Data that is placed in intervals
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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