The sampling distribution of $\bar { p } _ { 1 } - \bar { p } _ { 2 }$ is approximated by a _____. A) normal distribution B) t distribution with n₁ + n₂ degrees of freedom C) t distribution with n₁ + n₂ - 1 degrees of freedom D) t distribution with n₁ + n₂ + 2 degrees of freedom

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The sampling distribution of $\bar { p } _ { 1 } - \bar { p } _ { 2 }$ is approximated by a normal distribution when the sample sizes are large enough, according to the Central Limit Theorem.

The Sampling Distribution Of pˉ1−pˉ2\bar { p } _ { 1 } - \bar { p } _ { 2 }pˉ​1​−pˉ​2​

The Sampling Distribution Of $\bar { p } _ { 1 } - \bar { p } _ { 2 }$