Overview of Statistics
Branches of Statistics
Types of Data
Levels of Measurement
Review!
50
Information coming from observations, counts, measurements, or responses.
What is Data?
50
The collection, analysis, and presentation of data.
What is Descriptive Statistics?
50
Attributes, labels, or numerical entries.
What is Qualitative?
50
Qualitative only. Categorized using names, labels, or qualities.
What is Nominal Level of Measurement?
50
Quantitative or Qualitative?: Age of your Car
What is Quantitative?
100
Science of collecting, organizing, analyzing, and interpreting data in order to make decisions.
What is Statistics?
100
Drawing conclusion from the information from descriptive statistics.
What is Inferential Statistics?
100
Numerical measurements or counts.
What is Quantitative?
100
Qualitative or Quantitative. Categorized in order, or ranking but differences between data entries is not meaningful.
What is Ordinal Level of Measurements?
100
Nominal, Ordinal, Interval, or Ratio: Zip Codes
What is Nominal?
150
All the members in a group.
What is Population?
150

Study type often used to study epidemiological data that is retrospective

Case control

150
Quantitative measurement that cannot be counted like an average.
What is Continuous?
150
Can be ordered and meaningful differences between data entries can be calculated. 0 represents position on scale, not an actual 0.
What is Interval Level of Measurement?
150
Nominal, Ordinal, Interval, or Ratio: Calendar Dates
What is Interval?
200
A subset, or part, of a population.
What is Sample?
200

For p=.04, what is the chance of committing a type I error

4% chance

200
Can be counted like the number of wheels on a car.
What is Discrete?
200
The same as Interval except 0 is an actual 0 and a measurement.
What is Ratio Level of Measurements?
200
Nominal, Ordinal, Interval, or Ratio: Age
What is Ratio?
250

How to determine sample size based on effect size, alpha level, etc.

power analysis

250

The ratio of the strength of effect (difference or relationship) divided by the variance

effect size index

250
The measurement of how fast a car was going.
What is an example of Quantitative Data?
250

Ratio and interval measures used which type of statistics

parametric

250
Nominal, Ordinal, Interval, or Ratio: Street Numbers
What is Ordinal?
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