Statistics Vocab
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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| All people or items with the characteristic(s) one wishes to observe | Population
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| A 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 Sample
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| If the sample ends up with one or more sub-groups that are either over-represented or under-represented. | Biased Sample
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| The practice of polling only those who you believe will support your cause. | Cherry Picking
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| A survey that is simply handed out gains few responses when compared to the number of surveys given out. | Non-response Bias
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| Respondents who tend to have stronger opinions on subjects than others and are more motivated to respond may also cause bias. | Self-selected Sample
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| One way in which a survey/interview can be conducted in which the people must meet. | Face-to-face Interviews
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| One way in which a survey/interview can be conducted in which the person being questioned can take the papers home and finish them -keeping that person anonymous, which instills honesty. | Self-administered Surveys
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| A method in which people are chosen “out of the blue.” In a true random sample, everyone in the population must have the same chance of being chosen. | Random Sample
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| Mean, Median, and Mode | Measure of Central Tendency
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| When a data set is large, this is often used to display the data in an organized way that lists the data values as well as the number of times each value appears in the data set. | Frequency Distribution Table
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| Data that is listed | Ungrouped Data
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| Data that is placed in intervals | Grouped Data
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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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Created by:
MichaelaShort
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