Dear Student,

If we talk about CBSE MATHEMATICS (Code No. 041) Syllabus, then the syllabus of Statistics includes 15 Periods and the following syllabus

• Measures of Dispersion: Range, Mean deviation, variance and standard deviation of ungrouped/grouped data.
• Analysis of frequency distributions with equal means but different variances. You can check for more on the official website of CBSE :- cbseacademic.nic.in