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When to use a histogram?
Histograms are relatively similar to line plots; A bar graph of a frequency distribution in which the widths of the bars are proportional to the classes into which the variable has been divided and the heights of the bars are proportional to the class frequencies.noun
What is cumulative frequency distribution?
The cumulative frequency of a random variable X for the value x is the number of observations such that X ? x.
What is a frequency table?
A frequency table is a way of tabulating data, where the independent variable (that is, what you are measuring, such as height or length) is listed in the left hand column. The frequency, which is the number of times the independent variable occurs, goes on the right hand column. Sometimes, we represent the frequency by means of tally marks. A grouped frequency table groups the independent variable into "classes": e.g. 0 - 5, 6 - 10, 11 - 15...
Do stem-and-leaf plots show frequency?
Yes, a stem-and-leaf plot shows the frequency distribution of a variable.
How do you describe a frequency Table?
It is a table that summarises data for a number of observations on a variable. For each value (or range of values) that the variable takes the table shows the number of instances in which the variable took that value.
