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Measures of dispersio free#

Measures of dispersio free#

Should you have any further question, feel free to ask in the comment section below and trust us to respond as soon as possible. In our next class, we will be talking about the Theory of Consumer Behavior. Comprehensive Economics for SSS by J.U Anyaele page 36 –38.Fundamentals of Economics for SSS by R.A I.Calculate the mean of the distribution.

Construct a grouped frequency table of the distribution. In statistics, dispersion refers to how the data is spread out, how widely or narrowly is it scattered on a plot, or how much variability is present in the data points when compared to the mean.

Using a class interval of 40-49, 50-59 etc.

The table below shows the income of forty Workers in a factory in N.

State two advantages of the mean over other measures of central tendency (i.e.

How is the mid-point (X) ascertained in a grouped frequency table?.

NB: Note that the standard deviation is the positive square root of the variance. The Range: The range of data is the difference between the highest and the lowest value in the data.

These measures are the range, mean – deviation, standard deviation, variance, coefficient of variation, etc. MEASURES OF DISPERSION: also known as measures of spread or variation describes how the data given in any distribution are spread about the ‘Mean’, or the overall spread of the data.

Enjoy the class! MEASURES OF DISPERSION OF A GROUPED FREQUENCY DISTRIBUTION In today’s class, we will be talking about the measure of the dispersion of variation of grouped data.