{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

hw_2 - 2 standard deviation about 96-2.061 2.143 3 standard...

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

Statistics Problem Set 2 September 26, 2011 Problem 1 a. This histogram is great for figuring out the distribution of the data which is concentrated mostly between 0 and 1. You cannot see individual data in this graph. The data distribution is not exact since the bars are wide. b. Descriptive Statistics: C1 Variable N N* Mean SE Mean StDev Minimum Q1 Median Q3 C1 100 0 0.041 0.105 1.051 -2.611 -0.761 0.140 0.787 Variable Maximum C1 2.109 c. The mean and median are relatively close to each other. d. 1 standard deviation about 76% (-1.01,1.092)
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 2 standard deviation about 96% (-2.061, 2.143) 3 standard deviation about 100% (-3.112, 3.194) According to the Empirical Rule. . e. X+-s about 68% X+-2s about 95% X+-3s about 99.7% The data resembles more the empirical rule because of the structure and distribution of the measurements. Chebyshevs Rule says no useful information is provided on the measurements within a standard deviation. That is clearly not the case in this data set....
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