Practice Test 2.4

# Practice Test 2.4 - (4(4 points You are performing the...

This preview shows page 1. Sign up to view the full content.

This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: (4.) (4 points) You are performing the following hypothesis test regarding squirrel weights at an a=0.05: Ho: u = 3 pounds H1: pi 3 pounds and correctly ﬁnd a test statistic of -2.03 and a critical values of 1.96 and -l .96. Please draw a complete conclusion for this hypothesis test. Reject the null hypothesis, data indicate the mean squirrel weight in pounds is less than 3 pounds. Note that when you reject a two sided alternative, go ahead and draw the one— tailed conclusion based on the tail of the distribution in which your test statistics fell. (5.) (4 points) You are correctly performing the following hypothesis test involving the tree height variances (it?) of two populations of trees. Group 1 is a population of trees in the northern part of Wisconsin whereas Group 2 is population of trees in southern Wisconsin H02621=622 H11621> 622 0L=0.05 and correctly ﬁnd a p-value of 0.3333. Please draw a complete conclusion for this hypothesis test. Fail to reject the null lg/pothesis, not enough evidence to conclude the variance in tree height for trees in northern Wisconsin exceeds that of trees in southern Wisconsin. ...
View Full Document

{[ snackBarMessage ]}

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern