Statistics

After completion of this chapter, students will be able to:

  • know more about the statistics.
  • solve the problems related to mean, median and standard deviation.

Notes

Mean deviation

Mean deviation The average of the absolute values of the deviation of each item from mean, median or mode is known as a mean deviation. Standard deviation Standard deviation is the positive square root of the arithmetic mean of the square of deviations of given data taken from the mean.