There are three types of series in **Statistics and Data:**

**Individual Series:**Individual Series is a statistical series in which the all the observations are listed out and all the observations have a frequency of \(1\). For eg: \(1,2,3,4,5,6,7,8\) is an Individual Series.**Discrete Series:**Discrete Series is a statistical series in which all the observations are listed out along with their corresponding frequency in the form of a table. All the observations may not have the same frequency.**Continuous Series:**Continuous Series is a statistical series in which all the class intervals along with their corresponding frequency are listed out in the form of a table. All the class intervals may not have the same frequency.

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TopNewesthow to find arithmetic mean for disceret series by using shortcut method ?

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If n=20 and sigma(x-5)=(-15). Then what is the value of mean and sigma x?

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