Defintions
What is Statistics?
Statistics involves the collection, organization, summarization, interpretation, and reporting of data. It answers empirical questions.
More questions in Stats:
Learn what scores might look like after a treatment
Learn how different scores are
Learn how much of an effect a treatment had
What do Effect sizes tell us?
how much of a difference or relationship there is
Who can use Statistics?
producers and consumers of research
What do figures display?
Figures display data
What are two branches of statistics?
Descriptive Statistics: the branch of stats that organizes and summarizes data
Inferential Statistics: the branch of stats that generalizes findings and makes assumption about a larger group
What do measures of center tell us...
what a typical score looks like
In Statistics:
1.Statistics answers questions
2.Stats is important for producers and consumers of research
3. Stats is helpful
What do measure of variability tell us?
how different scores are
Questions in Stats:
Learn the trend in a large quantity of data
Learn what a typical score looks like
Learn if treatment was effective
What do Hypothesis tests tell us?
If there is a difference or relationship