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NCERT Textbook - Measures of Central Tendency | Economics Class 11 - Commerce PDF Download

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FAQs on NCERT Textbook - Measures of Central Tendency - Economics Class 11 - Commerce

1. What is the definition of measures of central tendency?
Ans. Measures of central tendency refer to statistical measures that represent the center or average of a set of data. They provide a single value to summarize the data and include measures like mean, median, and mode.
2. How is the mean calculated?
Ans. The mean is calculated by adding up all the values in a data set and then dividing the sum by the total number of values. It is the most commonly used measure of central tendency and represents the average value of the data.
3. What is the median and how is it determined?
Ans. The median is the middle value of a data set when it is arranged in ascending or descending order. To determine the median, the data set is first organized in order, and then the middle value is selected. If there is an even number of values, the median is the average of the two middle values.
4. How is the mode defined and identified?
Ans. The mode is the value that appears most frequently in a data set. It can be used for both numerical and categorical data. To identify the mode, you need to look for the value that occurs with the highest frequency. If no value is repeated, the data set is said to have no mode.
5. What are the advantages of using measures of central tendency?
Ans. Measures of central tendency provide a summary of the data by giving a single value that represents the center or average. They help in understanding the typical or central value of the data and are useful for making comparisons between different sets of data. Additionally, they can be used for further statistical analysis and inference.
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