Chapter 3 Vocabulary
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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| What are compatible numbers? | Compatible numbers are numbers that are easy to divide mentally.
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| What is a formula? | A formula is an equation that shows a relationship between quantities that are represented by variables.
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| What is the mean? | The mean is the sum of the data values divided by the number of data values.
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| What are measures of central tendency? | Mean, median, and mode are measures of central tendency of a collection of data.
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| What is the median? | The median is the middle number when data values are written in order and there is an odd number of data values. For an even number of data values, the median is the mean of the two middle numbers.
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| What is the mode? | The mode is the data item that occurs most often. There can be one mode, more than one mode, or no mode.
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| What is an outlier? | An outlier is a data value that is much greater or less than the other data values.
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| What is a perimeter? | The perimeter of a figure is the distance around the figure. The formula is P = 2l + 2w.
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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:
magcota
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