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

question 13

Multiple Choice

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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