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Q: How do you find the frequency and frequency density on a histogram when you are only given the class width?

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Bars are for single values or classes with uniform width, and the height of each bar is the frequency. In a histogram, the classes are of different width and the heights are proportional to the frequency density. The frequency, itself, is given by the area of the "bar" above the class.

It s the frequency for the class.

Density

it states the power and energy of a given signal in terms of frequency

A histogram is a graph that for a given set of data show you how many times a certain range of values appears and how it compares to the frequency of ranges of values. A table on the other hand relates two unique sets of numbers, and shows how a value in one set corresponds to values in the other.

CUMILATIVE: Its a engineering term ,for example cumilative frequency means by adding frequency of a given class to sum total of all the lower classes.for instance first class has a frequency of 2 and second class has frequency of 4 therefore the cumilative frequency becomes 6,the third has a frequency of 7,so the cumilative frequency is 13 it goes likes.....good luck for all hope u got the meaningfrom DASTAGIR.....PLASMA

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Histogram

Strictly speaking if the density is given then you don't need to find it.

How do you find missed frequency if median and mode are given

The answer depends on the units in which the mass and density are given.

the velocity of a wave is given by frequency*its wavelength

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