5 Questions
What is the null hypothesis for the investigation into the change in weekly production?
$H_0: ar{x} = 200$
What is the alternative hypothesis for the investigation into the change in weekly production?
$H_1: ar{x} eq 200$
What is the test statistic chosen for the investigation?
z
What is the probability of committing a type I error at a significance level of .01?
0.01
What is the null hypothesis for the assessment of the trend reduction in student failures?
$H_0: p = 0.3$
Test your knowledge of hypothesis testing with this quiz on a real-world example. Explore the process of formulating null and alternative hypotheses to investigate changes in weekly production using a significance level of 0.01.
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