MATH2089 Statistics Class Test
Student No.:
; Name:
; Signature:
Question 1.
i) Suppose that Z has a standard normal distribution (i.e. N (0, 1). Use the tables to
determine the value of a such that P (a < Z < a) = 0.4. (Include in your answer a
sketch of

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UNIVERSITY OF NSW, SCHOOL OF MATHEMATICS AND STATISTICS
STATISTICS COMPONENT. Sample MATLAB Test questions
Note that X N (, ) denotes a normal random variable with mean and standard deviation ;
X Exponential() denotes an exponential random variable with m

NAME OF CANDIDATE: . . . . . . . . . . . . . . . . . . .
STUDENT NUMBER: . . . . . . . . . . . . . . . . . . . . . .
THE UNIVERSITY OF NEW SOUTH WALES
SCHOOL OF MATHEMATICS AND STATISTICS
Semester 2, 2010
MATH2089
Statistics Class test - B
(1) TIME ALLOWE

NAME OF CANDIDATE: . . . . . . . . . . . . . . . . . . .
STUDENT NUMBER: . . . . . . . . . . . . . . . . . . . . . .
THE UNIVERSITY OF NEW SOUTH WALES
SCHOOL OF MATHEMATICS AND STATISTICS
Semester 2, 2010
MATH2089
Statistics Class test - A
(1) TIME ALLOWE

SCHOOL OF CIVIL AND ENVIRONMENTAL
ENGINEERING
Semester 2 2013
CVEN2002
CVEN2702
Engineering Computations for Civil Engineers
Engineering Computations for Environmental
Engineers
COURSE DETAILS
Version 1.4 30/07/13
Units of Credit
6
Contact hours
6 hours p

CVEN2002/2702 - Statistics
Tutorial class Week 5 : Probabilities and random variables
Instructions
The following are exercises that will covered during your tutorial class.
Note that not every topic in the course can be covered by the tutorial exercises.

CVEN2002/2702 - Statistics
T UTORIAL CLASS W EEK 5 : P ROBABILITIES AND RANDOM VARIABLES
SOLUTIONS
E XERCISE 1
Probability of failure is given in the series case by one or more of the components failing. Hence let Ai
represent the event that the i-th comp

MATH2089 Statistics Class Test
Student No.:
; Name:
; Signature:
Question 1.
i) Suppose that Z has a standard normal distribution (i.e. N (0, 1). Use the tables to
determine the value of a such that P (a < Z < a) = 0.4. (Include in your answer a
sketch of

CVEN2002/2702 - Statistics
Tutorial class Week 9 :
Estimation, Central Limit Theorem and Inferences concerning a mean
SOLUTIONS
Exercise 1
a)
i) The density function for the U[2,5] -distribution is
1
3
f (x) =
if x [2, 5]
otherwise
0
For the U[,] -distrib

CVEN2002/2702 - Statistics
Tutorial class Week 11 : Confidence Intervals and Hypotheses Tests
Instructions
The exercises that will be covered during the tutorial class will be chosen from those printed here.
Note that not every topic in the course can be

CVEN2002/2702 - Statistics
Tutorial class Week 3 : Descriptive statistics
SOLUTIONS
Exercise 1
(i) No, the mean need not be an observed value. Consider the sample cfw_0, 1, its mean is 0.5.
(ii) No, that is the denition of the median.
(iii) No, as the mea

CVEN2002/2702 - Statistics
Tutorial class Week 3 : Descriptive statistics
Instructions
The following are exercises that will covered during your tutorial class.
Note that not every topic in the course can be covered by the tutorial exercises. You are expe

CVEN2002/2702 - Statistics
T UTORIAL CLASS W EEK 11 : C ONFIDENCE I NTERVALS AND H YPOTHESIS T ESTS
SOLUTIONS
E XERCISE 1
a) A p-value of 0.008 is very very small. At any usual signicance level, like = 0.10, = 0.05 and
= 0.01, we nd p < . So there is str

CVEN 2002/2702 - Statistics
Tutorial class Week 13 : Regression Analysis and ANOVA
Instructions
The exercises that will be covered during the tutorial class will be chosen from those printed here.
Note that not every topic in the course can be covered by

CVEN 2002/2702 - Numerical Methods and Statistics
T UTORIAL CLASS W EEK 13 : R EGRESSION A NALYSIS AND ANOVA
SOLUTIONS
E XERCISE 1
a) The slope of the straight line (1 = 0.01) is the average change in reaction time for a one degree Fahrenheit increase in

CVEN2002/2702 - Statistics
Tutorial class Week 9 :
Estimation, Central Limit Theorem and Inferences concerning a mean
Instructions
The exercises that will be gone over during the tutorial class will be chosen from those printed here.
Note that not every t

Statistics
CVEN2002/2702
Session 2, 2012 - Week 1
General Information
Stats lecturer
Dr Justin Wishart
Room:
e-mail:
phone:
Red Centre-1030
j.wishart@unsw.edu.au
9385 7020
Tutorials start week 1 in the labs.
Keep up with the course material. Seek help if

~Exercises
1. For the following beam deflection problem, find the deflections
using
(a) h =%
_L
l (.b) h I
2
E1 = const. A vu- B
Note that the number of unknown deflections can be reduced by taking
account of symmetry.
A get improved eStimates of the mi

Engineering computations introductory lecture and tutorial discussion (for tutors)
The object of the introduction is to show that answers are within the ability of us all even
fairly simple ideas can give workable results. Example 3 will be treated in lec

Weeks 7 and 8- Proportion
A music industry executive is interested in statistically assessing the prominence of illegal
downloading. The results of an anonymous random survey indicate that 457 out of 813
respondents admit to illegally downloading a music

THE UNIVERSITY OF NEW SOUTH WALES
SCHOOL OF CIVIL AND ENVIRONMENTAL ENGINEERING
CVEN2002
Engineering Computations for Civil Engineers
CVEN2702
Engineering Computations for Environmental Engineers
TUTORIAL PROBLEMS 1:
Introduction to engineering computatio

CVEN2002/2702
Engineering Computations (Statistics)
Statistics Laboratory Class Week 1
Instructions
After this tutorial you should be able to: Access Matlab, and use the help facilities; enter and manipulate
vectors and matrices; transform data; enter dat