In Testing the Hypotheses

Essay

In testing the hypotheses
H₀: p₁ - p₂ = 0.10 vs.
H_a: .
Use the following statistics, where x₁ and x₂ represent the number of Dial Soap sales in the two samples, respectively.
n₁ = 150, x₁ = 72
n₂ = 175, x₂ = 70
What conclusion can we draw at the 5% significance level?
Test statistic = ______________
Critical Value(s) = ______________
Conclusion: ______________
What is the p-value of the test?
p-value = ______________
Explain how to use the p-value to test the hypotheses.
____________________________
Estimate with 95% confidence the difference between the two population proportions.
______________
Interpret and explain how to use the confidence interval to test the hypotheses.
__________________________________________