# Chapter 14 Class 10 Statistics

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 (xi)
• Finding Mean of grouped data using
• Direct Method (fixi)
• Using Assumed mean method (fidi)
• Using Step Deviation method (fiui)
• 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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