Stats-Chapter 2
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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| MEAN | Sum of the data entries divided by the number of entries. (Average)
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| MEDIAN | The middle data when the data set is sorted in ascending or descending order (Middle)
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| MODE | The data entry that occurs with the greatest freq. (Most)
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| OUTCIER | Data entry that is "far" removed the other entries in a data set.
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| SYMMETRIC DISTRIBUTATION | When a vertical line is drawn thru the middle of the distribution, the two halves approx. "Mirror Image".
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| UNIFORM DISTRIBUTATION | All entries in the distribution have equal freq.
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| SKEWED LEFT DISTRIBUATION | Freq. dist. with a "tail" that extends to the left.
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| SKEWED RIGHT DISTRIBUATION | Freq. dist. with a "tail" that extends to the right.
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| FREQ. DIST. | Table that shows classes or intervals of data entries with the count of the number of entries in each class.
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| CUMULATIVE FREQ. | Sum of freq. of that class and all freq. classes "running total"
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| STEM & LEAF PLOT | Displays quantitative data.
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| STEM | Data entry's left most digit(s)
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| LEAF | Data entry's right most digit
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| SCATTER PLOT GRAPH | Uses ordered pairs of quantitative variables on a coordinate plane
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| PIE CHART | Circle graph that shows relationships of parts to a whole graph of data.
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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:
dcraig97
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