2. Evaluate an appropriate measure of dispersion for the following dat

1.	2. Evaluate an appropriate measure of dispersion for the following data:Income(in Rs.)Less than 50 50-70 70-90 90-110 110-130 130-150 Above 150No. ofpersons54 100 140 300 230 125 51Also find its relative dispersion.
Answer» ANSWER: Standard deviation (SD) is the most commonly used measure of dispersion. It is a measure of SPREAD of data about the MEAN. SD is the SQUARE root of sum of squared deviation from the mean divided by the number of observations. Explanation:

2. Evaluate an appropriate measure of dispersion for the following data:Income(in Rs.)Less than 50 50-70 70-90 90-110 110-130 130-150 Above 150No. ofpersons54 100 140 300 230 125 51Also find its relative dispersion.

Answer»

Standard deviation (SD) is the most commonly used measure of dispersion. It is a measure of SPREAD of data about the MEAN. SD is the SQUARE root of sum of squared deviation from the mean divided by the number of observations.

Explanation:

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2. Evaluate an appropriate measure of dispersion for the following data:Income(in Rs.)Less than 50 50-70 70-90 90-110 110-130 130-150 Above 150No. ofpersons54 100 140 300 230 125 51Also find its relative dispersion.​

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2. Evaluate an appropriate measure of dispersion for the following data:Income(in Rs.)Less than 50 50-70 70-90 90-110 110-130 130-150 Above 150No. ofpersons54 100 140 300 230 125 51Also find its relative dispersion.