Three key words :Validity, Reliability, Bias Classroom demo
Think about the measurements and ask questions.
How were the numbers produced Exactly what was being measured. Basically ask: "Do the numbers make
sense" Classroom example show article on overhe
Week 2 Chapter 3 - What does the sample say? Write out definitions for the following concepts
1. Sample statistic
A number that describes the sample.
1. Population parameter
A number that describes the population.
1. Make a statement about the influence o
Week 1
Chapter 1 This week we discuss how data is obtained from sampling Write out definitions for the following concepts
1. Population
The entire group of individuals in a statistical study about which we want information.
1. Units
Used to measure sample
Week 5
Chapter 12 Summarize with summaries- single numbers and Boxplots 1. Define upper and lower quartiles for a list of 100 values from a quantitative variable. 2. What quantities make up the "five number summary" a) b) c) d) e) 3. Define the IQR 4. Wri
Week 4
Chapter 7 Ethics and protection 1. Give an example of an experiment that would be unethical.
2. How can lack of confidentiality be harmful to an individual
Chapter 8 Types of Measurements 1. Give two examples of each : a) Categorical variables b) Q
Week 4 Part 2
Chapter 10 Graphs replace thousands of Words 1. To remind yourself of the two types of variables, give an example of a a) Categorical variable a) Quantitative variable
2. Define the distribution of a variable. 3 What are the two most common
Week 3
Chapter 5 Experiments produce good data 1. Write out definitions of the following concepts: a) Explanatory variable
A variable that we think explains or causes changes in the response variable.
b) Response variable
A variable that measures an outco
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Test 1 for 20 times during the dates 23,24,25 Feb The timetable is on the Web-show it on Second Screen Select 3 times that are convenient for you-write those numbers down on some paper to be given to your Recitation Instructor on Monday
Show A2 and talk
Please sign in Week 5 Assignment is ready on the Web Show on screen 2
Workbook notes graded Monday 28 Sept
Copyright, 1996 Dale Carnegie & Associates,
LAST LECTURE WE STARTED LOOKING AT WAYS IN WHICH DATA CAN BE ORGANIZED SENSIBLY.
Copyright, 1996 Dale
Learning objectives for the Final Exam
Unit 13, Part 1: Definitions of random variables and probability
Explain how random events behave in the short run and in the long run. Explain how random
and haphazard are not the same thing. (Ch 17)
Perform basic