Data Displays and Number Systems
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show | Information that is gathered by counting, measuring, questioning, or observing.
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show | The study of numerical data collecting, organizing, and analyzing data to interpret and answer questions.
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Variability | show 🗑
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Statistical question | show 🗑
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show | The difference between the maximum and the minimum in a data set. The range is a measure of how spread out a distribution is.
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show | a number line long enough to encompass all
numbers in a sample, showing a dot over the
position corresponding to each number.
• if more than one dot falls in the same
position, they are stacked up.
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Maximum | show 🗑
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show | the distribution of data typically takes into account
the range and spread of a data set.
• it describes the shape of a data set when
displayed on a histogram.
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Mode | show 🗑
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Data Landmark | show 🗑
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show | lowest or least amount or value.
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Median | show 🗑
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show | 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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show | usually called the average and may be called the arithmetic mean.
• the mean is the total of all the scores or amounts,
divided by, how many scores or amounts there were.
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Predict | show 🗑
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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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