Math

Median for Grouped Data

Image Credit: Pixabay.com The median is a measure of central tendency which gives the value of the middle-most observat…

Cumulative frequency & Ogive

Image Credit: Pixabay.com Cumulative frequency Cumulative frequency is defined as a running total of frequencies i.e.…

Mode for Grouped Data

Image Credit: Pixabay.com A mode is that value among the observations which occurs most often, that is, the value of t…

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