Tristan's Statistics
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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| Representative sample | A small sample that shares the same characteristics of the whole population and can be an accurate representative.
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| Population | The whole ungrouped mass of people.
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| Stratified samples | Polling individual groups or "strata," from a whole population depending on unique backgrounds.
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| Biased Samples | Inaccurately polling due to one or more subgroups that are either overrepresented or underrepresented.
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| Cherry Picking | Inaccurate polling due to only picking those who you think will support your cause.
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| Non-response bias | A poll that gets a very few amount of all the surveys that were handed out, either due to people being to busy or not relating to the questions.
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| Self-selected sample | 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 | A survey is given orally from one person to another.
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| Self-administered surveys | A survey is given through the internet or on paper for the respondent to do on their own time.
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| Random Samples | Polling is done randomly and everyone in the whole population has a chance of being polled.
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| Measure of central tendency | Mean, Median, and Mode are all grouped together and called...
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| Frequency distribution table | ...lists the ungrouped 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 and can be put into a Frequency Distribution Table.
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| Grouped data | Data that is placed in intervals.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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.
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:
tristanmcavoy
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