A sample of 100 observations from the first population indicated that x1 is 70. A sample of 150 observations from the second population revealed x2 to be 90. Use the .05 significance level to test the hypothesis.© BrainMass Inc. brainmass.com June 3, 2020, 6:10 pm ad1c9bdddf
The null and alternate hypotheses are:
Ho: = vs. HA:
State the decision rule.
Reject the null hypothesis if z > zalpha = z > z0.05 = 1.645
Compute the pooled proportion.
Compute the value of the test statistic.
The expert examines hypothesis testing for populations.