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Average - Basics Video Lecture - Banking Exams

FAQs on Average - Basics Video Lecture - Banking Exams

1. What is the definition of average?
Ans. Average refers to the value obtained by dividing the sum of a set of numbers by the quantity of numbers in that set. It is commonly used to represent the central tendency of a group of values.
2. How do you calculate the average?
Ans. To calculate the average, add up all the numbers in a set and then divide the sum by the total number of values in the set. For example, if we have a set of numbers {2, 4, 6, 8}, the average would be (2 + 4 + 6 + 8) / 4 = 5.
3. What is the importance of average in statistics?
Ans. Average plays a crucial role in statistics as it provides a measure of central tendency. It helps in summarizing a large set of data into a single value, making it easier to understand and analyze. The average also allows for comparisons and making predictions based on the data.
4. Can the average be influenced by outliers?
Ans. Yes, outliers can significantly influence the average. An outlier is a value that is significantly different from the other values in a dataset. If there are outliers in a dataset, they can distort the average and make it less representative of the overall data. Therefore, it is important to consider outliers when interpreting the average.
5. What are the limitations of using average?
Ans. While average is a useful measure, it has certain limitations. It does not provide information about the spread or variability of the data. Additionally, if the dataset contains extreme values or is skewed, the average may not accurately represent the typical value. In such cases, other measures like the median or mode may be more appropriate.
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