Important Relations between Methods of Finding Mean

Q.

Which method of finding the mean would you not use if you have class intervals whose values are big but they are close to each other?

1. Runge-Kutta Method

2. Step deviation method

3. Assumed Mean method

4. Direct method

Q.

Which of these methods gives the highest value of mean?

1. Direct method

2. Assumed mean method

3. Step deviation method

4. They all give the same value

Q.

The direct method is more accurate than the assumed mean or the step-deviation methods.

1. True

2. False

Q.

The mean calculated for the raw data will have the exact same value as that of the corresponding grouped data.

1. True

2. False