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What is Arithmetic Mean? Video Lecture - Class 7
FAQs on What is Arithmetic Mean? Video Lecture - Class 7
| 1. What is the definition of arithmetic mean? |  |
Ans. Arithmetic mean refers to the average of a set of numbers. It is calculated by adding up all the numbers in the set and dividing the sum by the total count of numbers.
| 2. How is arithmetic mean different from median and mode? | |
Ans. While arithmetic mean is the average of a set of numbers, median is the middle value when the numbers are arranged in ascending or descending order. Mode, on the other hand, is the value that appears most frequently in the set.
| 3. How can arithmetic mean be used in real-life situations? | |
Ans. Arithmetic mean is widely used in various real-life situations. For example, it can be used to calculate the average score of students in a class, average temperature over a period of time, or average speed of a moving object.
| 4. Is arithmetic mean affected by outliers in a data set? | |
Ans. Yes, arithmetic mean can be influenced by outliers. Outliers are extreme values that are significantly different from the other values in a data set. They can distort the average, making it higher or lower than what it would be without the outliers.
| 5. How can arithmetic mean be calculated for grouped data? | |
Ans. To calculate the arithmetic mean for grouped data, the midpoint of each class interval is multiplied by the frequency of that interval. The sum of these products is then divided by the total frequency of all intervals. This gives the arithmetic mean for the grouped data.
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Nov 15, 2024 Last updated |
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