Important Questions with Answers for CBSE Class 11 Statistics Chapter 5 Measures of Central Tendency which is drafted by expert commerce teachers from the latest version of CBSE (NCERT) books.
CBSE Class 11 Statistics Chapter – 5 Important Questions
Answer: Median is a value located centrally of a series in such a way that half of the value of the series is above it and the other half is below.
What is the mode?
Answer: The mode is a value that occurs frequently in the series. Which means the modal value has the highest frequency in the series.
Define the partition value.
Answer: The value that divides the series into more than two parts is known as a partition value.
Answer: The end value of the statistical series when divided into four parts is known as quartile.
What is positional average?
Answer: Positional average are those averages whose value is worked out on the basis of their position in the statistical series.
Define the central tendency.
Answer: All the methods of statistical analysis by which the average of the statistical series are analysed is known as a central tendency.
What are the purpose of average is the statistical method?
Answer: The purpose of the average is the statistical method are
- Brief description
- Formulation of policies
- Statistical analysis
- One value of all
What are the different kinds of statistical average?
Answer: The different kinds of statistical average are.
- Mathematical average
- Positional average
What are the two methods that can calculate the simple arithmetic mean in case of individual series?
Answer: The two methods that can calculate the simple arithmetic mean in the case of individual series are.
- Direct method
- Short-cut method
What are the methods calculating simple arithmetic mean?
Answer: The methods of calculating simple arithmetic mean are.
- Individual series
- Discrete series
- Frequency distribution
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