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Tristans Stats Vocab

Tristan's Statistics

QuestionAnswer
Representative sample A small sample that shares the same characteristics of the whole population and can be an accurate representative.
Population The whole ungrouped mass of people.
Stratified samples Polling individual groups or "strata," from a whole population depending on unique backgrounds.
Biased Samples Inaccurately polling due to one or more subgroups that are either overrepresented or underrepresented.
Cherry Picking Inaccurate polling due to only picking those who you think will support your cause.
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.
Self-selected sample 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 A survey is given orally from one person to another.
Self-administered surveys A survey is given through the internet or on paper for the respondent to do on their own time.
Random Samples Polling is done randomly and everyone in the whole population has a chance of being polled.
Measure of central tendency Mean, Median, and Mode are all grouped together and called...
Frequency distribution table ...lists the ungrouped data values, as well as the number of times each value appears in the data set.
Ungrouped data Data that is listed and can be put into a Frequency Distribution Table.
Grouped data Data that is placed in intervals.
Created by: tristanmcavoy
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