1
Some Preliminaries
There are several things that I need to talk about before the main body
of this book. Although it seems obvious that I would like you to read
Chapter 1 first (otherwise I wouldn’t have placed it at the beginning) I
am aware that many
Discovering Statistics Using SPSS: Chapter 6
Chapter 6: Answers
Task 1
Recent research has shown that lecturers are among the most stressed workers. A researcher
wanted to know exactly what it was about being a lecturer that created this stress and
subseq
Discovering Statistics Using SPSS: Chapter 8
Chapter 8: Answers
Task 1
Imagine that I was interested in how different teaching methods affected students’ knowledge.
I noticed that some lecturers were aloof and arrogant in their teaching style and humiliat
Discovering Statistics Using SPSS: Chapter 4
Chapter 4: Answers
Task 1
A student was interested in whether there was a positive relationship between the time spent
doing an essay and the mark received. He got 45 of his friends and timed how ling they spen
Discovering Statistics Using SPSS: Chapter 10
Chapter 10: Answers
Task 1
People’s musical taste tends to change as they get older (my parents, for example, after years
of listening to relatively cool music when I was a kid in the 1970s, subsequently hit t
Discovering Statistics Using SPSS: Chapter 9
Chapter 9: Answers
Task 1
Stalking is a very disruptive and upsetting (for the person being stalked) experience in which
someone (the stalker) constantly harasses or obsesses about another person. It can take
m
Discovering Statistics Using SPSS: Chapter 7
Chapter 7: Answers
Task 1
Example: One of my pet hates is ‘pop psychology’ books. Along with banishing Freud from all
bookshops, it is my vowed ambition to rid the world of these rancid putrefaction-ridden wast
Discovering Statistics Using SPSS: Chapter 5
Chapter 5: Answers
Task 1
A fashion student was interested in factors that predicted the salaries of catwalk models. She
collected data from 231 models. For each model she asked them their salary per day on day
Discovering Statistics Using SPSS: Chapter 3
Chapter 3: Answers
Task 1
Using the data from Chapter 2 plot some graphs of the mean number of friends, alcohol
consumption, income and neuroticism of students and lecturers. Which have the most friends,
drink
Discovering Statistics Using SPSS: Chapter 1
Chapter 1: Answers
Why do we use samples?
We are usually interested in populations, but because we cannot collect data from every
human being (or whatever) in the population, we collect data from a small subset