Variation is a key tool used to describe a data set. Variation homework typically tests your understanding on a key concept in statistics. Variation gives the amount of dispersion in a data set. Two sets of data may have different central tendency and variation, same central tendency but different variation or same variation but different central tendency.  Measures of variation are Range, Interquartile range, variance, standard deviation and coefficient of variation.Graduate Tutor’s Variance homework and tutoring team is well versed in statistics and can tutor you on variation and the measures of variation effectively.

 

The topics that the variance homework and tutoring team cover include the following:

 

• Range is a measure of variation which is calculated as the difference between the largest and the smallest value in a data set.
  
  
• Interquartile range is a classic measure of variation, calculated by subtracting the third quartile from the first quartile.
  
  
• Variance is defined as the average of the sum of the squares of the distance between points in a data set and their mean values.
  
  
• Standard deviation is the most commonly used measure of variation. It is defined as the square root of variance.
  
  
• Coefficient of variation is calculated as the standard deviation divided by the arithmetic mean, multiplied by 100%. Coefficient of variation is a relative measure of variation and is always a percentage value.

 

Graduate Tutor's Statistics Tutor Group can tutor you in a theory and application of variation and measures of variation. The following is a sample of the topics you can get online tutoring or homework help with a private tutor.

Variation

Range

Interquartile Range

Variance

Standard Deviation

Coefficient of Variation 

 

Graduate Tutor's expert tutors consist of MBA, CPAs or CFAs who can provide you homework tutoring on a variety of business topics in addition to tutoring on variance and statistical data analysis.  Email us for more information.