Chapter 1
Overview:
Individuals and variables
Categorical variables: pie charts and bar charts
Quantitative variables: histograms and stem plots
Time plots
Individuals
Individuals are objects describe
THE UNIVERSITY OF WESTERN ONTARIO
DEPARTMENT OF STATISTICAL AND ACTUARIAL SCIENCES
KINGS UNIVERSITY COLLEGE
STATISTICS 1024A TEST 2
Saturday, November 12, 2011, 10:00 AM  noon
EXAM CODE 350
INSTRUCTI
KINGS UNIVERSITY COLLEGE
THE UNIVERSITY OF WESTERN ONTARIO
DEPARTMENT OF STATISTICAL AND ACTUARIAL SCIENCES
STATISTICS 1024B MIDTERM TEST
Saturday, March 1st, 2014, 9:00  11:30 AM
Instructor
D. Bellh
THE UNIVERSITY OF WESTERN ONTARIO
DEPARTMENT OF STATISTICS AND ACTUARIAL SCIENCES
STATISTICS 1024A TEST 2 (2 hours)
Saturday, November 13th, 2010, 10:00 a.m. 12:00 noon
INSTRUCTIONS:
This is a closed
THE UNIVERSITY OF WESTERN ONTARIO
DEPARTMENT OF STATISTICAL AND ACTUARIAL SCIENCES
KINGS UNIVERSITY COLLEGE
STATISTICS 1024A TEST 1
Saturday, October 15, 2011, 10:00 AM  noon
EXAM CODE 967
INSTRUCTIO
THE UNIVERSITY OF WESTERN ONTARIO
KINGS UNIVERSITY COLLEGE
DEPARTMENT OF STATISTICAL AND ACTUARIAL SCIENCES
STATISTICS 1024A MIDTERM TEST
Saturday, October 24th, 2015, 6:00 to 8:00 PM
Section
S001 (M/
THE UNIVERSITY OF WESTERN ONTARIO
DEPARTMENT OF STATISTICAL AND ACTUARIAL SCIENCES
KINGS UNIVERSITY COLLEGE
STATISTICS 1024B TEST 2
Friday, March 12th, 2010, 6:00  8:00 PM
EXAM CODE 967
INSTRUCTIONS:
Chapter 4 Solutions
4.1: (a) Explanatory: time spent studying; response: grade. (b) Explore the relationship; there is
no reason to view one or the other as explanatory. (c) Time spent online using Fa
THE UNIVERSITY OF WESTERN ONTARIO
DEPARTMENT OF STATISTICS AND ACTUARIAL SCIENCES
STATISTICS 1024B TEST 1 (2 hours)
SEE PAGE 11 FOR ANSWER KEYS FOR BOTH TESTS
Saturday, February 5th, 2011 10:00 a.m. 
Statistical Science 1024
Review 5
1
A recreational boating retailer buys several different types of
kayak paddles from a manufacture in China. Recently, some
customers have complained that the paddles
KINGS UNIVERSITY COLLEGE
THE UNIVERSITY OF WESTERN ONTARIO
DEPARTMENT OF STATISTICS AND ACTUARIAL SCIENCES
STATISTICS 1024B Practice Midterm (2 hours)
INSTRUCTIONS:
This is a closedbook test.
There a
Chapter 8 Solutions
8.1: (a) The population is (all) college students. (b) The sample is the 104 students at the
researchers college who returned the questionnaire.
8.2: The population is all the arti
Statistics 1024B
Assignment 3
Due February 14, 2014
1. An experiment is carried out to study the possible effects of Vitamin C and Vitamin E on
health. Vitamin C was given in one of three dosages: 0 m
Statistics 1024B
Assignment 1
Due January 17, 2014
1. My daughter works in the research branch of a steel factory. She provided me with
measurements on nonmetallic inclusions in several (more than a
Statistics 1024B
Assignment 4
Due March 7, 2014
1. Two baskets are taken on a picnic. The first contains 4 ham and 6 cheese sandwiches; the
second contains 12 ham and 3 cheese. In the confusion of dar
Statistics 1024B
Assignment 2
Due January 31, 2014
1. For a week (Sunday to Sunday inclusive) in the spring as the ice cream season was
beginning, a store selling soft ice cream cones noted the daily
Chapter 6 Solutions
6.1: (a) This table describes 736 + 450 + 193 + 205 + 144 + 80 = 1808 people. 736 + 450 + 193
= 1379 played video games. (b) The percent of boys earning As and Bs is (736 + 205)/18
Chapter 1 Solutions
1.1: (a) The individuals are the car makes and models. (b) For each individual, the variables
recorded are Vehicle type (categorical), Transmission type (categorical), Number of cy
Chapter 4: Scatterplots and Correlation
RESPONSE VARIABLE: measures an outcome of a study (dependent)
EXPLANATORY VARIBALE: explain or influence changes in a response variable
(independent)
REGRESSION
Chapter 3: The Normal Distribution

Sometimes the overall pattern of a LARGE # of observations is so regular that we can
describe it by a smooth curve.
PROPORTIONS: areas under the curve
DENSITY CURV
STATS1024
Jan 12, 2017
The Mean X

To find the mean X of a set of observations, add their values and divide by the # of observations.

To calculate the average, or mean, add all values, then divide
STATS1024
Jan 17, 2017
Density Curve

Is curve that is
1. Always on or above the horizontal axis, and
2. has area exactly 1 underneath it.
Density curve describes the overall pattern of a distributio
STATS1024
Jan 5, 2017
Set of data contains info about group of individuals. Info is organized in variables.
Definitions:
Individuals Object described by set of data. Can be people but also may be anim
KINGS UNIVERSITY COLLEGE
THE UNIVERSITY OF WESTERN ONTARIO
DEPARTMENT OF STATISTICAL AND ACTUARIAL SCIENCES
STATISTICS 1024A MIDTERM TEST
Saturday, October 25th, 2014, 9:00  11:00 AM
Section
S001 (M/
CH.1 Picturing Distributions with Graphs
Individuals and Variables
An individual is a person or object on which an observation is made.
They are sometimes known as experimental units or sampling unit
Stats 1024 Final Notes
Chapter 17: Tests of Significance: The Basics
Logic of testing (simple logic) assume that the statement is true. How likely is the test result? If result is
very likely, the sta
(Chapter 19) Confidence Intervals
95% of the time, the mean will fall between these values.
4 step process of calculating confidence intervals:
1.
2.
3.
4.
State what parameter do you want to estimate
STATS 1024 NOTES
CHAPTER 1 Planning Distributions with Graphs
INDIVIDUALS AND VARIABLES



Individual: a person or object on which an observation is made, also known as:
Experimental units
Sampli
Practice Final 2 (SS024a Fall 2003)
1. An appliance store recorded its monthly sales of microwave ovens for 20 months and ordered
them as follows:
123, 126, 140, 141, 149
172, 179, 183, 183, 192
153,