Université de SaintBoniface (USB) (Affiliated with the University of Manitoba)
STATS 2000

Winter 2015
STAT 2000 Section A01 Quiz # 1 1 (10 Marks)
Show all your work!
Name:
Student #:
1.
2.
(1 mark) It is determined that, in order to estimate the true mean battery life
for an iPhone 6 to within 0.8 hours with 96% confidence, a sample of 800 iPhone
6 batter
Université de SaintBoniface (USB) (Affiliated with the University of Manitoba)
STATS 2000

Winter 2015
STAT 2000 Section A01 Quiz # 1 1 (10 Marks)
Show all your work!
Name:
Student #:
1.
2.
(1 mark) It is determined that, in order to estimate the true mean battery life
for an iPhone 6 to within 0.2 hours with 95% confidence, a sample of 800 iPhone
6 batter
Université de SaintBoniface (USB) (Affiliated with the University of Manitoba)
STAT2000
STATS 2000

Winter 2017
STAT 2000 A04
April 11, 2017
First Name:
Quiz 4
Last Name:
Student Number:
1
Answer all questions and show all your work.
There are 3 pages.
Formula:
P (X = k) =
e k
,
k!
k = 0, 1, 2, . . .
1. (2 marks)
The number of injuries that occur during a typical f
Université de SaintBoniface (USB) (Affiliated with the University of Manitoba)
STAT2000
STATS 2000

Winter 2017
STAT 2000 A04
April 11, 2017
First Name:
Quiz 3
Last Name:
Student Number:
1
Answer all questions and show all your work.
There are 3 pages.
Formula:
P (X = k) =
e k
,
k!
k = 0, 1, 2, . . .
1. (2 marks)
The number of injuries that occur during a typical f
Université de SaintBoniface (USB) (Affiliated with the University of Manitoba)
STAT2000
STATS 2000

Winter 2017
Unit 3 Practice Questions Solutions
1. (a) We must assume that these three samples are simple random samples from their
respective populations. We must also assume that returns for each of the three
industries follow a normal distribution with common stan
Université de SaintBoniface (USB) (Affiliated with the University of Manitoba)
STAT2000
STATS 2000

Winter 2017
ROASS.SchedA+1.020160713.doc+
Schedule A
Schedule A lists policies for and resources available to students at the University of
Manitoba.
Section (a) Academic supports available to students:
Writing and Learning Support
The Academic Learning Centre (ALC
Université de SaintBoniface (USB) (Affiliated with the University of Manitoba)
STATS 2000

Winter 2015
Unit 6 Practice Questions
1. We would like to determine how the time a student spends studying for an exam affects
his or her score. Study times (in hours) and exam scores (in %) are shown in the table
below for a sample of eight students:
Student
Study T
Université de SaintBoniface (USB) (Affiliated with the University of Manitoba)
STATS 2000

Winter 2015
U53
Distribution of a Sample Proportion
Let be the sample proportion of successes in a simple
random sample drawn from a large population having
population proportion p of successes.
The mean and standard deviation of
are
and
U54
U51
Distribution of a
Université de SaintBoniface (USB) (Affiliated with the University of Manitoba)
STATS 2000

Winter 2015
U43
Probability
We toss a coin and record the proportion of heads that
has been observed after each toss. Assuming the coin
is fair, the likelihood of observing a Head is the same
as that for observing a Tail. There is a 50% chance of
either outcome.
Sup
Université de SaintBoniface (USB) (Affiliated with the University of Manitoba)
STATS 2000

Winter 2015
U13
Distribution of the Sample Mean
To find this distribution, we ask:
What would happen if we repeatedly took samples
of the same size n from the population and
calculated ?
U11
Probability Distribution
U14
Distribution of the Sample Mean
The probabil
Université de SaintBoniface (USB) (Affiliated with the University of Manitoba)
STATS 2000

Winter 2015
U33
Comparing Several Means
There is a problem with conducting these six tests separately
we will get six different Pvalues.
Suppose we used = 0.05 as our level of significance for each
of the tests. Now we have a 5% chance of incorrectly rejecting
the
Université de SaintBoniface (USB) (Affiliated with the University of Manitoba)
STAT2000
STATS 2000

Winter 2017
UNIVERSITY OF MANITOBA
DATE: March 15, 2017
TIME: 5:30PM7:30PM
EXAMINATION: Basic Statistical Analysis II
COURSE: STAT 2000
Midterm Test
DURATION: 2 hours
PAGE: 1 of 16
EXAMINER: Various
INSTRUCTIONS
I. You have been provided with:
a) the test paper,
b) a