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Glossary

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10th class > Statistics > Summary

Summary

In this chapter, you have studied the following points:

  1. The mode for grouped data can be found by using the formula:

Mode = l + f1 - f02f1-f0-f2 x h

where symbols have their usual meanings.

  1. The cumulative frequency of a class is the frequency obtained by adding the frequencies of all the classes preceding the given class.

  2. The median for grouped data is formed by using the formula:

Median = l + n/2-cff x h

where symbols have their usual meanings.