Confidence Intervals
Hypothesis Testing
H₀: 0
Hₐ: μ₁ - μ₂ < > D₀
n₁ =     x̄₁p̄₁ =     =
n₂ =     x̄₂ =     σ₂ =
Confidence Level: %
Level of Significance: α =
Example 1Example 2
Example 1Example 2