Measures of Dispersion

Which of the following is not a measure of dispersion?

• Range

• Mean Deviation

• Geometric Mean

• Standard Deviation

Range can be calculated for Open-ended class intervals

• True

• False

• Depends on the open ended class intervals

Quartile Deviation is based on ___ of the observation.

• Initial 50%

• Middle 25%

• Middle 50%

• All set of data.

Which measure is based on all observation?

• Mean Deviation

• Range

• Quartile Deviation

• None of the above

In Calculating Standard Deviation, which of the Measure of central tendency is used

• Mean

• Median

• Mode

• All the above can be used

In Calculating Mean Deviation, which of the Measure of central tendency is used

• Mean

• Median

• Mode

• All the above can be used

The Coefficient of Range, for a data where Max value is 80kg and Minimum value is 20kg is

• =100/60 kg

• 60/100 kg

• 80/20 kg

• 0.6

If the salary of 10 employees are identical i.e. $4000, then its mean deviation from Mean is

• 4000

• 0

• 1

• None of these

If the value of Coefficient of variation is more, the consitency of the data is

• More

• Less

• Same

• None of this

Between Virat and Rohit, who is a consistent batsmen

• The one with higher Average

• The one with lower Mean Deviation

• The one with higher Coefficient of Variation

• The one with lower Coefficient of Variation