MA6207
AP Statistics
Tutorial 4 Suggested Solution:
1. 10.65(a)
The histogram shows that the distribution is slightly skewed to the right, but the Normal distribution
is reasonable.
1. 10.65(b)
Step 1
MA6207
AP Statistics
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) Date: _
NOTES SET 1: EXPLORING DATA
This set of notes is to be used together with Chapter 1 of the textbook, The Practice of Statistics
(Third Edition) by Yates, Moore
MA6207
AP Statistics
Name: _ (
) Date: _
NOTES SET 2:
This set of notes is to be used together with the textbook, The Practice of Statistics (Third Edition)
by Yates, Moore & Starnes.
Introduction
Dat
MA6207
AP Statistics
Name: _ (
) Date: _
NOTES SET 3
This set of notes is to be used together with the textbook, The Practice of Statistics (Third Edition)
by Yates, Moore & Starnes.
Introduction (pag
MA6207
AP Statistics
Name: _ (
) Date: _
NOTES SET 4 add-on: Paired t procedure
This set of notes is to be used together with Chapter 10, The Practice of Statistics (Third Edition)
by Yates, Moore & S
MA6207
AP Statistics
Name: _ (
) Date: _
NOTES SET 4
This set of notes is to be used together with Chapter 10, 12 and 13 of the textbook, The Practice of
Statistics (Third Edition) by Yates, Moore & S
MA6207
AP Statistics
Name: _ (
) Date: _
NOTES SET 5:
This set of notes is to be used together with Chapter 14 and 15 of the textbook, The Practice of
Statistics (Third Edition) by Yates, Moore & Star
MA6207
AP Statistics
Name: _ (
) Date: _
REVISION EXERCISE 1 with solutions (Notes Set 1, 2 and 3)
1. Consider the sampling distribution of a sample of size 100 obtained by simple
random sampling from
MA5107
Statistics
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) Date: _
TUTORIAL & ASSIGNMENT 6
Tutorial Questions (Discuss on _)
1.
For each of the following statements about correlation, explain if there is anything wrong.
(a)
(b)
T
MA5107 Tutorial 5 Suggested Solution
1(a)
H 0 : = 500
H a : < 500 ,
where is the mean life-time of Bunny batteries.
1(b)
Inference makes no sense as we have data of all students in his class.
1(c)
The
MA5107 Assignment 6 Suggested Solution
(a)
There is a positive association between the number of years since 1990 and
number of subscribers. The relationship between the number of years since 1990 and
MA5107
Statistics
Name: _ (
) Date: _
JOURNAL
Mathematics is all around us and the concepts you learnt in this module is often applied in our
daily lives. Read the attached articles and using what you
MA5107
Statistics
Name: _ (
) Date: _
REVISION EXERCISE 1
Instructions: Attempt the questions on your own first and the answers will be available
on Espace next week.
PERMUTATION AND COMBINATION
1.
Fi
MA5107
Statistics
REVISION EXERCISE 2 SUGGESTED SOLUTION
Sampling Distribution
1(a)
To be a simple random sample, every possible group of 25 has to be equally likely to be
selected, and this is not tr
MA5107
Statistics
Name: _ (
) Date: _
REVISION EXERCISE 2
Instructions: Attempt the questions on your own first and the answers will be available on
Espace next week.
SAMPLING DISTRIBUTION
1.
(a)
(b)
MA5107
Statistics
REVISION EXERCISE 3 SUGGESTED SOLUTION
(Gentle Reminder: All INTERMEDIATE WORKINGS, LEAVE TO 5 d.p OR MORE,
FINAL ANS, LEAVE TO 3 d.p! ALL PLOTS HAVE TO BE LABELLED PROPERLY
TOO)
MA6
MA5107
Statistics
Name: _ (
) Date: _
REVISION EXERCISE 3 (Past Year Questions)
MA6104 2009 Test 2
1
An aptitude test for deep-sea divers produces scores which are normally distributed on a
scale from
MA5107
Statistics
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NOTES SET 7:
) Date: _
RELATIONSHIP BETWEEN TWO VARIABLES
Introduction
So far we have been concerned with analyzing data associated with a single variable, but many
statist
MA5107
Statistics
MA5107 Tutorial 3 Solution
Continuous Random Variable Tutorial
1(a)
Since
is
X
a
continuous
random
variable,
we
have
f ( x) dx = 1 ,
all x
1
i.e kx dx + kx dx = 1 .k = 4/3.
0
5
1
4 1
MA5107 Tutorial 4 Suggested Solution
Sampling Design Questions
1(a)
Assign 4-digit identification number to the students in the list. i.e. assign 0001 to the 1st
student, 0002 to the 2nd student, etc
Subject
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Cu 357 _— EMHA’Q
C : 325x~5000fﬂ§i72
C : Hit/59f.
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