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A what uses bars to represent the frequency of data that have been organized in intervals?
If the intervals are of different width, then it is a histogram.
What table is used to group data into intervals?
Frequency Distribution Table
How do you get the missing values in the cumulative frequency table when only the class intervals are given?
hi my name is Emma
How is a frequency curve in statistics different from a frequency polygon?
In order to plot the points on either the frequency polygon or curve, the mid values of the class intervals of the distribution are calculated. Then the frequencies with respect to the mid points are plotted. However in a frequency curve the points are joined by a smooth curve, where as in a frequency polygon the points are joined by straight lines. Apart from this major difference, a frequency polygon is a closed figure where as the frequency curve is not.
When creating a frequency table the intevals must be what?
The intervals must be of EQUAL SIZE.That is, if I have a data set of numbers ranging from 1 to 20, I might create 4 intervals of 5 each, because 20 divides by 5 evenly. So I would get a table:---------------------------------------------| Interval | Tally | Frequency |---------------------------------------------| 1-5 | | || | | || 6-10 | | || | | || 10-15 | | || | | || 15-20 | | |---------------------------------------------
What do the intervals in a frequency chart have to be?
Usually the intervals in a frequency chart should be equal.
Can frequency table have overlapping intervals?
No.
A what uses bars to represent the frequency of data that have been organized in intervals?
If the intervals are of different width, then it is a histogram.
Why are unequal intervals used in a frequency distribution?
The most important thing in creating intervals for a frequency distribution is that the intervals used must be non-overlapping and contain all of the possible observations. They are often equal intervals, but sometimes unequal ones are used. It all depends on the data.
Can you use a histogram to make a frequency table with intervals?
Yes, you can.
What table is used to group data into intervals?
Frequency Distribution Table
A bar graph that shows the frequency data within equal intervals?
a histogram
How often does something have to occur to be periodic?
Something is considered periodic if it occurs at regular intervals with a consistent pattern. The frequency and intervals of occurrence may vary, but there should be a clear, predictable repetition of the event for it to be considered periodic.
What goes on the X-axis of a frequency polygon?
The categories, variable values or midpoints of class-intervals.
Why are unequal class intervals used in frequency distribution?
to avoid a large number of empty classes?
How do you get the missing values in the cumulative frequency table when only the class intervals are given?
hi my name is Emma
Is it true or false that in frequency modulations the frequency of the carrier signal is modified by the application of the data signal?
True.
