Exercises assigned for Stat 251 (Brian Dennis, instructor)
Assigned on:
Mon Aug 24:
If you have a home desktop computer or a laptop, find and install R at the R Project website: http://www.r-project.org/
Fri Aug 28:
(A) RSC Ch 1, computational challenge (cc) 1.3
(B) Write an R script to produce a scatter plot of the West Virginia
grey fox data (posted on the syllabus). On the plot, overlay a curve calculated
with the population growth equation (posted below). Save the R script
as an ordinary text file on your system using File-->Save as in Windows
or equivalent commands in Mac or Unix.
Mon Aug 31:
RSC Ch 3, cc 3.5
Wed Sep 2:
RSC Ch 4, cc 4.1, 4.2
Wed Sep 9:
RSC Ch 5, cc 5.1, 5.2, 5.3
OIS Guided Practice 1.2 1.3 1.4
Fri Sep 11:
OIS Guided practice 1.9, 1.10, 1.11, 1.14
Wed Sep 16:
OIS Exercises (end of Ch 1) 1.16 1.39 1.48 1.50 1.52
Quiz 2 covers to here
Mon Sep 21:
OIS Exercises 1.47 1.66 1.68
Wed Sep 23:
OIS Exercises 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10
Fri Sep 15:
OIS Exercises 2.11 2.12 2.13 2.14
Mon Sep 15:
OIS Exercises 2.15 2.16 2.17 2.18 2.27 2.28
Wed Sep 30:
OIS Exercises 2.34 2.37 2.38 2.39 2.40
Quiz 3 covers to here
(but no standard deviation calculations for random variables
will appear on Quiz 3)
Wed Oct 7:
OIS Exercises 3.1 3.2 3.4 3.5 3.6 3.7 3.9
Fri Oct 9:
OIS Exercises 3.10 3.12 3.16
For Quiz 4: In addition to normal distribution exercises, review notes
on the uniform distribution and on means, variance, and standard deviations
of linearly transformed random variables.
Quiz 4 covers to here
Wed Oct 14:
OIS Exercises 3.17 3.18
In R, there is a data frame named "faithful" containing two
variables, "eruptions" and "waiting". Just issue the command
attach(faithful)
at the console or in a script. Evaluate the normality
of each variable, with a histogram and a normal QQ plot.
Fri Oct 16:
OIS exercises
with calculator: 3.25 3.32 3.33 3.34
with R: 3.26 3.27 3.28
Mon Oct 19:
OIS exercises
using normal approximation: 3.27 3.28 3.29 3.30
Quiz 5 covers to here
Fri Oct 23:
OIS exercises 4.1 4.3 4.5 4.6
Mon Oct 26:
OIS exercises 4.7 4.8 4.15 4.16
Wed Oct 28:
OIS exercises 4.17 4.18 4.21 4.23 4.24 4.25 4.26
Quiz 6 covers to here
Wed Nov 4:
OIS exercises 5.1 5.3 5.5 5.7 5.11 5.12
Fri Nov 6:
OIS exercises 5.15 5.19 5.20 5.21 5.22
Mon Nov 9:
OIS exercises 5.25 5.28 5.30 5.31 5.32 5.33 5.34
Quiz 7 covers to here
Wed Nov 18:
OIS exercises 6.1 6.2 6.7 6.8 6.10 6.14 6.15 6.16
Fri Nov 20:
OIS exercises 6.27 6.28 6.29 6.30 6.31 6.32 6.33
Mon Nov 30:
OIS exercises 6.41 6.42 6.43 6.44
Wed Dec 2:
OIS exercises 6.46 6.47 6.48 6.50
Quiz 8 covers to here
Mon Dec 7:
OIS exercises 7.7 7.8 7.25 7.26 7.29 7.30
Wed Dec 9:
OIS exercises 7.35 7.36 7.37 7.38 7.41 7.43 7.44
The final exam will have approximately 15% of the questions on
Chapter 7 material, 85% on previous material taken from the quizzes.
back to syllabus