Answer the following questions in about 125 words:
(iv) Which measure of dispersion is the most unstable statistic and why?
Answers
g
Explanation:
- dispersion is the process by which seeds are separated from the mother plant
The measure of dispersion which is the most unstable statistic is :
•Range-Range is the interval between the highest and the lowest score.
• Range is a measure of variability or scatteredness of the variates.
•The second measure of dispersion is -Quartile Deviation.
•Quartile deviation is one-half the scale distance between the third quartile and the first quartile.
•It is the Semi-interquartile range of a distribution.
•The third measure of dispersion is -Mean Deviation.
•The Mean Deviation is the average of the absolute values of the differences between individual numbers and their mean.
•The fourth measure of dispersion is-Standard Deviation.
•The standard deviation is the most widely used measure of dispersion.
•It takes all the items into consideration. •It is more stable compared to other measures.