{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

# Lab8 - CE93 Engineering Data Analysis Prof Joan Walker...

This preview shows pages 1–2. Sign up to view the full content.

CE93 Engineering Data Analysis Prof. Joan Walker Spring 2011 1 CE93 Engineering Data Analysis Lab 8 Midterm Review Instructions: The following problems are planned for discussion during this week’s lab. To follow more closely with the discussion, please take a look at all the problems before coming to lab. There will be no lab reports to turn in this week. 1) The following data give the number of floods and number of earthquakes in a region for each decade over the past 50 years. In the following table, x denotes the number of floods; y denotes the number of earthquakes: X 3 7 5 1 4 Y 1 4 3 0 2 a. Construct a cumulative frequency diagram for x. What is the corresponding matlab code? b. Calculate the mean, median, and variance of y. c. Construct and comment on a scatter plot of y vs. x. d. Calculate the correlation between x and y. Is this consistent with the results in part d? 2) Weather records for a certain region indicate that there is a tendency for two hot summers to occur in a row. From the statistics for the region, the following information has been estimated: (i) The chance of any given summer being hot is 0.2; (ii)

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the 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