Frequency Polygon Example Questions. In table 1 for example the cumulative frequency for the class interval 305-405 is 6 since the sum of all frequencies in the lower intervals is 0. The frequency histogram has the similarity to a column graph without the presence of spaces between columns.
Frequency Polygon and Ogive are all graphs for this data type. Again the cumulative frequency for the class interval 405-505 is 20 since the sum of all frequencies in the lower intervals is 14 ie 61420 so for the next interval it will be 6142040 and so on. A frequency polygon is sometimes used to represent the same information as in a histogramA frequency polygon is drawn by using line segments to connect the middle of the top of each bar in the histogramThis means that the frequency polygon connects the coordinates at the centre of each interval and the count in each interval.
So far weve discussed frequency and histograms in relation to a single variable.
A frequency polygon is sometimes used to represent the same information as in a histogramA frequency polygon is drawn by using line segments to connect the middle of the top of each bar in the histogramThis means that the frequency polygon connects the coordinates at the centre of each interval and the count in each interval. Check all that apply. Data was collected on the ages of the attendees of a local swimming pool. Explain what is a frequency polygon.
