math 203 sample midterm

5 Pages
283 Views
Unlock Document

Department
Mathematics & Statistics (Sci)
Course
MATH 203
Professor
Patrick Reynolds
Semester
Fall

Description
MATH 203 PRINCIPLES OF STATISTICS I Midterm examination October 14, 2011 Version A Student Name: Student Number: Instructions: 1. There are 5 pages to this exam, including this title page. 2. Answer all questions directly on the test (use back for rough calculations only). 3. The total number of marks for the exam is 50. Material permitted: 1. One 8.5" ▯ 11" sheet of hand-written personal notes 2. Pocket calculators 3. Language dictionaries Question 1 [6 points] (a) List three classical measures of central tendency. ▯ ▯ ▯ (b) List three classical measures of dispersion. ▯ ▯ ▯ Question 2 [12 points] Fill out the following table using the rules of probability. No details are required. c c Pr(A) Pr(B) Pr(A [ B) Pr(A \ B) Pr(A \ B ) Pr(B \ A ) 0.7 0.6 0.9 0.1 0.3 0.2 0.8 1 0 0.6 0.2 0.1 2 Question 3 [14 points] The following boxplots show the petal length (in centimetres) for 50 specimens from each of three species of iris collected in the Gae peninsula (Fisher, Ann. Eugenics, 1936). The species are Iris setosa, Iris versicolor, and Iris virginica. 7 6 5 4 3 2 1 setosa versicolor virginica (a) Which species has the smallest median?
More Less

Related notes for MATH 203

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit