STAT 263 F Introduction to Statistics
Dashboard / Home / My Moodle / Subject / STAT / STAT 263 F / 19 October - 25 October
/ Quiz 6: Chapter 11
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Thursday, 5 Novembe
STAT 263 F Introduction to Statistics
Dashboard / Home / My Moodle / Subject / STAT / STAT 263 F / 14 September - 20 September
/ Quiz 1: Chapter 1 & Introductory Material
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STAT 263 TERM TEST A (F13) PRINT NAME (Last, First) :_
State probabilities to 3 SIGNIFICANT DIGITS. State values other than probabilities to
appropriate precision. NO PEEKING, SNIFFING, OR TAPPING! Three pages of test
and one page of Z table and formulae
STAT 263 F Introduction to Statistics
Dashboard / Home / My Moodle / Subject / STAT / STAT 263 F / 26 October - 1 November
/ Quiz 7: Chapter 12
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Thursday, 12 November 2015, 11:00 PM
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Thursday, 12 Novem
STAT 263 F Introduction to Statistics
Dashboard / Home / My Moodle / Subject / STAT / STAT 263 F / 5 October - 11 October
/ Quiz 4: Chapters 5, 6, 7, 8
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Thursday, 15 October 2015, 10:37 PM
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Thursday, 1
STAT 263 F Introduction to Statistics
Dashboard / Home / My Moodle / Subject / STAT / STAT 263 F / 12 October - 18 October
/ Quiz 5: Chapters 9 & 10
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Sunday, 18 October 2015, 2:35 PM
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Thursday, 22 Octo
STAT 263 F Introduction to Statistics
Dashboard / Home / My Moodle / Subject / STAT / STAT 263 F / 21 September - 27 September
/ Quiz 2: Chapter 2
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Monday, 28 September 2015, 7:43 PM
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Monday, 28 Septem
STAT 263 Pretest
V1.2
If you have taken other math courses at Queens or recently completed a grade 12 math course
then you certainly have the math skills necessary for STAT 263.
If you are uncertain if you have the necessary math skills, you should attemp
QUEENS UNIVERSITY
Page 1 of 2
STAT 263* (Introduction to Statistics)
Fall 2015
Instructor: Charles Molson
Office: Jeffery Hall 206
Email: [email protected] (please use your Queens email account)
Voice mail 613-533-2416
(slowly and clearly state an
Solutions Non-assignment 2
To travel hopefully is a better thing than to arrive.
Version 1.7
~ Robert Louis Stevenson
Dont assume the data presented is ranked (ordered from smallest to largest).
1. # 3.6 - sample mean = 30.0
2. # 3.21 - sample mean = $24,
Solutions for Chapter 1 &2 Suggested Questions (NON-ASSIGNMENT 1) V1.7
1. I got the question about student numbers wrong I said that they were ordinal. My staff number at
Queens is the same as my student number, 0047*. My thought was that by looking at a
The possible simplification in 4.12 is that the standard deviation in
b)is 100 times the standard deviation in a) - the same number we
multiplied each data value by.
V16.2
b) s = 20.68 see above
and explanation above it.
[FULL sol'n page7]
For 4.32, see t
Full solutions for many questions on following pages
6.62
a) 0.0625
b) 0.0588
There is more discussion of this question a page or two further on.
Non-assignment 4 Appendix continued.
I have made short videos of some of the questions that have caused peop
STAT 263 term test to ch 9
SK =
3(mean median)
standard deviation
V 1.7
index p th percentile =
z=
IQR = Q Q
3
1
x
or
Revised 10/15/2008
p
( n + 1)
100
z=
xx
s
s
CV = 100%
CV = 100%
or
Coefficient of Variation:
x
1
Chebyshev's Rule: at least 1 2 of the da
STAT 263 F Introduction to Statistics
Dashboard / Home / My Moodle / Subject / STAT / STAT 263 F / 23 November - 29 November
/ Quiz 11: Chapters 17 & 18
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Saturday, 21 November 2015, 8:01 PM
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Friday, 27
1.Compute the mean,standarddeviation,and30thpercentileof this
sortedsample.
12294183117194
2.If in a hypothesis testing situation H0: =22.5,is rejected and HA:
=22.5is accepted at the 5% level of significance, then using the same
datathe 95% confidence i
QUEENS UNIVERSITY
Page 1 of 2
STAT 263* (Introduction to Statistics)
Winter 2016
Instructor: Charles Molson
Office: Jeffery Hall 206
Office hours: Tues. 2:00 to 3:20; Wed. 2:35 to 4:20 (If I have someone in the office, let me know you
are there, dont just
Non-assignment 3 - Some suggested questions on chapters 4 & 5 (V1.6)
Life shrinks or expands in proportion to ones courage.
~ Anais Nin
You are to use the statistical capacity of your calculator to find the mean, standard deviation and
variance. The more
Homework Assignment 2 Some suggested questions on chapter 3 (V1.5)
While nothing is more uncertain than the duration of a single life, nothing is more certain than the average
duration of a thousand lives. ~ Elizur Wright (1804 - 1885)
Note that in this c
STAT 263 NON-ASSIGNMENT 1 - Chapter 1 & 2 Some suggested questions
Luck affects everything. Let your hook always be cast. In the stream where you least expect it, there
will be fish.
~ Ovid
You will revisit some of these data sets and situations in future
Quadratic Equation
A quadratic equation (in x) is an equation of the form
ax 2 + bx + c = 0
where
a , b , and c are
,
numbers (with
a0
) and
x is
A quadratic equation is a polynomial equation of degree
a variable.
2.
Examples:
x2 2x 3 = 0 is a quadratic e
Problem
Simplified Radical Form
Definition:
A square root expression is in simplified radical form when it satisfies each of these conditions.
(1) No perfect square factors (other than 1) under the radical sign
(2) Only whole numbers or variables under th
Statistics Cheat Sheet
Mr. Roth , Mar 2004
1. Fundamentals
a. Population Everybody to be analysed
<> Parameter - # summarizing Pop
b. Sample Subset of Pop we collect data on
<> Statistics - # summarizing Sample
c. Quantitative Variables a number
<> Discre
Section 9.3 Linear Equations: Clearing Fractions and Decimals
Objectives
1. Solving Linear Equations with Fractions
2. Solving Linear Equations with Decimals
1. Solving Linear Equations with Fractions
eProfessor: Solving Linear Equations with Fractions
Li
Quadratic Formula
Noun phrase A formula used to find the solutions (or roots) of a quadratic equation: If
the equation is of the form
ax 2 + bx + c = 0
,
then the quadratic formula is
b2 4ac
2a
b
x=
.
That is, the solutions to the quadratic equation
b +b
Problem
Relation
A relation is a set of ordered pairs.
More specifically, given sets
which
A and B, a relation from A to B is a set of ordered pairs x, y
in
x is in A and y is in B.
A.
The range is the set of all second components in the ordered pairs. It
Problem
Quadratic Formula
Noun phrase A formula used to find the solutions (or roots) of a quadratic equation:
If the equation is of the form
2
ax + bx + c = 0 ,
then the quadratic formula is
x=
2
b
b 4a c
2a
.
That is, the solutions to the quadratic equa
Page 1 of 8 pages
HAN D IN Student Number in top row.
Fill in (pen or pencil) corresponding
rectangle below each numeral.
Answers recorded on exam paper
Queen s University
FACULTY OFARTS AND SCIENCE
DEPAR T MEN T 0F
MA T HEMA T I CS AND S T A T IS T I C