Avinash.tech(…)

Category: Statistics

  • Correlation Coefficient ( r )

    What is a Correlation Coefficient ?

  • Normal Curve and Standard Units

    Whats a Normal Curve ?  What is Standard unit ? A value is converted to Standard Units by seeing how many SD’s it is above or below the average. Lets take the following example to make it a bit clearer. The average height for women age 18 and above was suppose…

  • SD – Standard Deviation

    Standard Deviation measures the spread around the average. In other words by how much is an element in data away or closer to the average. What is a Standard Deviation ? How does one find Standard Deviation ( SD ) ? SD for any given data can be found in …