Chi-Square Distribution:
The square of a random variable having standard normal distribution is distributed as chi-square with 1 degree of freedom. The sum of squares of ´n´ independently distributed standard normal variables has a Chi-Square distribution with ´n´ degrees of freedom. The distribution is typically used to compare multiple-sample count data in contingency tables to expected values under a null hypothesis.
Planning on taking an introductory statistics course, but not sure if you need to start at the beginning? Review the course description for each of our introductory statistics courses and estimate which best matches your level, then take the self test for that course. If you get all or almost all the questions correct, move on and take the next test.
Read up on our latest blogs
Learn about our certificate programs
Find the right course for you
Our mentors and academic advisors are standing by to help guide you towards the courses or program that makes the most sense for you and your goals.
300 W Main St STE 301, Charlottesville, VA 22903
