speed is arithmetic mean of individual s...

__ speed is arithmetic mean of individual speeds.

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To solve the question regarding the average speed being the arithmetic mean of individual speeds, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding the Concept of Average Speed**: - Average speed is defined as the total distance traveled divided by the total time taken. 2. **Define Speeds and Times**: ...

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Assertion : The average speed of an object may be equal to arithmetic mean of individual speed. Reason : Average speed is equal to total distance travelled per total time taken.

If both assertion and reason are true and the reason is the correct explanation of the assertion.

If both assertion and reason are true but reason is not the correct explanation of the assertion.

If assertion is true but reason is false.

If the assertion and reason both are false

Find the arithmetic mean of:

21.4

22.75

21.75

The formula of mean deviation by arithmetic mean in individual series is -

MD `=(summ|dx|)/N`

`MD= (N)/(sum|d-x|)`

`MD =(sumx)/(N)`

`MD =(barx)/N`