Data Displays and Number Systems
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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| Data | Information that is gathered by counting measuring, questioning, or observing.
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| Statistics | The study of numerical data: collecting, organizing, and analyzing data to interpret it and answer questions.
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| Variability | How spread out the values of data are.
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| Statistical question | A question that would be answered by collecting or analyzing data.
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| Range | The difference between the maximum and minimum in a data set. The range is a measure of how spread out a distribution is.
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| Dot Plot | a number line long enough to encompass all
numbers in a sample, showing a dot over the
position corresponding to each number.
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| Maximum | highest or greatest amount or value.
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| Distribution | the distribution of data typically takes into account
the range and spread of a data set.
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| Mode | a type of average.
in a set of scores, values or numbers the
mode is the one that occurs the most.
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| Data Landmark | A notable feature of a data set. Some landmarks are the mean, median, mode, maximum, minimum, and range.
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| Minimum | lowest or least amount or value.
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| Median | a type of average which is the
middle value of an ordered set of data values.
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| Average | A typical value for a set of numbers. The word average usually refers to the mean of a set of numbers.
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| Mean | usually called the average and may be called the arithmetic mean
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| Balance Point |
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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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