Term
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Definition
| partitions data into classes or intervals and shows how many data values are in each class. |
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Term
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Definition
| The classes or intervals are constructed so that each data value falls into exactly one class. |
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Definition
| It is the difference between the lower class limit of one class and the lower class limit of the next class. |
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| Lower Class Limit, Upper Class Limit |
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Definition
| Lowest data value that can fit in a class, the highest data value that can fit in a class. |
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Term
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Definition
| The number of tally marks corresponding to a class. |
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Term
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Definition
| add the lower and upper class limits of one class then divide by 2. |
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Term
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Definition
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Term
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Definition
| Partitions data into classes or intervals and shows how many data values are in each class. |
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Term
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Definition
| the halfway point between the upper limit of of one class and the lower limit of the next class. |
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Term
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Definition
| Provides visual displays of data organized into frequency tables. |
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Term
| Relative - Frequency Table |
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Definition
| A frequency table that displays each relative frequency. |
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Term
| Relative - Frequency Histogram |
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Definition
| A graph where the height of the bar represents the class frequency, the height of the bar is the relative frequency for that class. |
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Term
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Definition
| A histogram which both sides are the same when the graph is folded vertically down the middle |
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Term
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Definition
| A histogram in which every class has equal frequency. The bars would be equal of height. |
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Term
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Definition
| A histogram in which one tail is stretched out longer than the other. This would be the left side which is stretched out longer. |
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Term
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Definition
| A histogram in which one tail is stretched out longer than the other. This would be the right side which is stretched out longer. |
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Term
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Definition
| A histogram in which the two classes with the largest frequencies are separated by at least one class. |
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Term
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Definition
| Display the data along a horizontal axis. Then plot each data with a dot or point above the corresponding value on the horizontal axis. For repeated data values, stack the dots. |
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Term
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Definition
| Vertical or horizontal bars, the length of the bars represent values of the variable being displayed. |
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Term
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Definition
| A bar graph in which the bar height represents frequency of an event. In addition, the bars are arranged from left to fight according to decreasing height. |
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Term
| Pie Chart or Circle Graph |
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Definition
| Wedges of a circle visually display proportional parts of the total population that share a common characteristic. |
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Term
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Definition
| data are plotted in order of occurrence at regular intervals over a period of time. |
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Term
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Definition
| Data sets composed of similar measurements taken at regular intervals over time are called time series. |
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Term
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Definition
| stem-and-leaf displays, and in box-and-whisker plots. |
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Term
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Definition
| leftmost part of the digits from data |
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Term
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Definition
| Rightmost part of the digits from data |
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Term
| Stem - And - Leaf Display |
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Definition
| a method of exploratory data analysis that is used to rank-order and arrange data into groups. |
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Term
| Back - To - Back Stem Plot |
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Definition
| To have two stems for the data |
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