# Pivotal Quantity

The Pivotal Quantity is a Random Variable which is a function of $θ$ such that the distribution without knowing the value of $θ$.

See Confidence Interval for steps $bY−μ =Z∼N(0,1)$

The Pivotal Quantity is a Random Variable which is a function of $θ$ such that the distribution without knowing the value of $θ$.

See Confidence Interval for steps $bY−μ =Z∼N(0,1)$