Exercises on Chapter 8.
8.3 8.5 8.7 8.9 8.11 8.13 8.15
Ref. Problem 8.3 P.335
A population consists of the following values [ 12,12,14,16]
(a) What are the values of the population mean and standard
deviation?
(b) Count the number of possible samples that

Exercises on Chapter 15.
15.1, 15.3 , 15.13
Problem 15.1.
In a particular chi-square goodness of fit test there are four
categories and 200 observations. Use the 0.05 significnace level
(a) How many degrees of freedom are there?
(b) What is the critical v

Exercises on Chapter 6.
6.1 6.2 6.7 6.9 6.18 6.21 6.24 6.26
Ref: Problem 6.1
p.242
Compute the mean
and the variance of
the following discrete
Probability
distribution.
x
P(x)
0
0.20
1
0.40
2
0.30
3
010
= E ( x) = ( xP( x)
Using the definition of the
mea

Exercises on Chapter 5.
5.2 5.4 5.6 5.13 5.15 5.27
5.29 5.37 5.41 and 5.47
Ref: Problem 5.2 p.190
A quality control inspector selects a part to
be tested. The parts is then decaared
acceptable, repairable, or scrapped. Then
another part is tested. List al

Exercises on Chapter 7.
7.2 7.5 7.10 7.17 7.20 7.25 7.28
Ref. Problem 7.2 P.283
Janet lives in a suburb of Toronto. She has observed that
the driving time form her home to her office in downtown
Toronto during the morning rush is between 40 minutes and
60

Exercises on Chapter 10.
10.1 10.2 10.3 10.7 10.9 10.13 10.15 10.21
10.25
Ref. Problem 10.1 P. 437
For each of the following exercises you need to determine
(a) Is this a one or two-tailed test?
(b) What is the decision rule?
(c) What is the value of the

Exercises on Chapter 2.
2.5 2.7 2.11 2.13 and 2.33
Exercise 2.1
Ref: problem 2.5 p. 40
Here is a list of the number of patients served during the first
16 days.
27
34
27 23 24 25 28 35 33
24 30 30 24 33 23 23
How many classes to consider in this case: usi

Exercises on Chapter 3.
3.8 3.10 3.12 3.13 and 3.28
Exercise 3.1
Ref: problem 3.8 p. 88
The accounting department at a
small order company
counted the following
number of daily incoming
calls to the company for the
first 7 days in May 1998:
14, 24, 19,31,

Exercises on Chapter 9.
9.5 9.7 9.8 9.9 9.11 9.13 9.17
Ref. Problem 9.5 P. 372
Give expressions for the standard error of the mean, margin of
error and confidence interval for population mean in each of
the following cases.
(a) Population is approximately

Exercises on Chapter 4.
4.5 4.12 4.17 4.28 4.34
and 4.38
Exercice 4.1
Problem 4.5 p124
Calculate the range, the arithmetic mean
the mean deviation and interpret the
range and the mean deviation. The
following are weekly share price of BCE
Inc from March 2

Exercises on Chapter 13.
13.1,13.3,13.9,13.15,13.26
Problem 13.1.
The following pairs of observations representing the tips (in dollars)
received by Mary and Will at the Pizza Delight (at lunch time in St.
Johns on a sample of five randomly selected days