The concept of degrees of freedom refers to the.
A)number of scores plus one used to calculate the sample standard deviation for the one-sample t test
B)number of scores minus one used to calculate the population standard deviation for a t test
C)variation in critical values of t with differences in sample size
D)number of scores that are free to vary when calculating a statistic

Question

Quizplus · Accepted Answer

Degrees of freedom refer to the number of scores that are free to vary when calculating a statistic. In other words, it is the number of scores that can vary without affecting the value of the statistic being calculated. This concept is important in statistical inference as it determines the appropriate critical values to use in hypothesis testing and confidence interval estimation.

The Concept of Degrees of Freedom Refers to The