What are the null and altemative hypotheses? Pno carper versus H, Ppe Caloulate the test statistic, 6-O Round to beo decimal places as needed) Now fnd he crtical value. Select the comect choice below and filin the answer box within your choice. (Round to three decimal places as needed) Do carpeted rooms have more bacteria than uncarpeted rooms at the a001 level of significance? OA Yes, because the lest statistic is not in the ortical region. OB. No, because the test statistic isin the oritical region OC. No, because the lest statisticis not in the ortical region OD. Yes, because the test statistic is in the critical region.

Please explain how the bolded option is the correct answer

Do males have a significantly lower mean on the ACT test than females? n st. dev 12pt ✓ I 50 Paragraph Males Females What is the appropriate statistical test that should be used to test for significance? Calculate the standard error, the test statistic, and the degrees of freedom? What is the critical score? Do males score significantly lower than females? Edit View Insert Format Table mean 25 18.8 21.3 4.5 3.0 ✓ T²✓ E✓ EV SV B I UAV 2 ✓ T²V T田 √x + ✓

Uestion Help For the following claim, find the null and alternative hypotheses, test statistic, critical value, and draw a conclusion. Assume that a simple random sample has been selected from a normally distributed population. Answer parts a-d. Claim: The mean IQ score of statistics professors is less than 116. Sample data: n= 17, x= 113, s 6. The significance level is a = 0.05, / Click the icon to view a table of critical t-values.

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