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Class 11

MATHS

STATISTICS

Updated On: 30-4-2021

Answer

Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams.

Text Solution

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A

20

B

21

C

22

D

21.5

Answer

B

Introduction with some examples

Range

Mean deviation for ungrouped data or Individual data with some examples

Mean Deviation of a Descrete Frequency Distribution

Mean Deviation of a Grouped or Continuous Frequency Distribution

Limitations Of Mean Deviations

Variance of Individual Observations

Variance of a discrete frequency distribution

Variance of a grouped or continuous frequency distribution

Coefficient of Variation

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