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Solutions of all questions of Chapter 14 Statistics of Class 10 available free at teachoo. All NCERT Questions are solved, with detailed answers of each and every question and example of the NCERT Book.

In the Statistics chapter of Class 9, we learned how to find mean, median, mode of raw and ungrouped data.

In this chapter, we will

- Learn what is
**Class mark**of a Grouped Frequency Distribution table (x_{i}) - Finding Mean of grouped data using
**Direct**Method (*f*)_{i}x_{i}- Using
**Assumed mean**method (*f*)_{i}d_{i} - Using
**Step Deviation**method (*f*)_{i}u_{i}

- Finding
**Mode**of Grouped data - Finding
**Median**of Grouped Data - Converting frequency distribution of
**less than**type to normal - Converting frequency distribution of
**more than**type to normal - Relationship between Mean, Median and Mode (
**3 Median = Mode + 2 Mean**) - Drawing a
**less than and more than ogive**, and finding**median.**

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