Chi-Squared Distribution - GRE Quantitative Reasoning
Card 0 of 4
follows a chi-squared distribution with 
degrees of freedom and 
through 
are independent standard normal variables.
If 
, what is 
?
If
Use the fact that the sum of 
squared standard and independent normal variables follows a chi-squared distribution with 
degrees of freedom.
Use the fact that the sum of
Compare your answer with the correct one above
follows a chi-squared distribution with degrees of freedom and through are independent standard normal variables.
If , what is ?
If
Use the fact that the sum of squared standard and independent normal variables follows a chi-squared distribution with degrees of freedom.
Use the fact that the sum of
Compare your answer with the correct one above
follows a chi-squared distribution with degrees of freedom and through are independent standard normal variables.
If , what is ?
If
Use the fact that the sum of squared standard and independent normal variables follows a chi-squared distribution with degrees of freedom.
Use the fact that the sum of
Compare your answer with the correct one above
follows a chi-squared distribution with degrees of freedom and through are independent standard normal variables.
If , what is ?
If
Use the fact that the sum of squared standard and independent normal variables follows a chi-squared distribution with degrees of freedom.
Use the fact that the sum of
Compare your answer with the correct one above