Statistics and Comparing Populations
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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| sample size | a small amount of something selected at random from the whole that shows what the whole looks like
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| statistics | the study of data: how to collect, summarize, and present it
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| survey | to gather information by individual samples so as to learn about the whole thing
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| biased sample | an small amount of something that does not fairly represent the whole
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| inferences | the process of reaching a conclusion about something from known facts or evidence
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| data | a collection of facts, such as numbers, words, measurements, observations, or even just descriptions of things
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| hypothesis | a statement that might be true, which can then be tested
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| population | the whole group from which a sample is taken
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| random sampling | a selection that is chosen randomly
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| mean | a measure of center that is found by dividing the sum of the data by the number of numbers in the data
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| range | a measure of variability that is found by subtracting the minimum from the maximum in a set of data
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| MAD | a measure of variability that is found by taking the mean of the all the absolute value deviations of a set of data.
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| median | a measure of center that is found by looking at the middle number when the data is ordered from least to greatest
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| minimum | the smallest piece of data
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| maximum | the largest piece of 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:
mrhunt
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