Vocabulary
Information coming from observations, counts, measurements, or responses.
What is Data?
The collection, analysis, and presentation of data.
What is Descriptive Statistics?
Find the mode of this set:
3,4,4,5,6,7,8,9
Mode: 4
Describes the spread of data
What is range?
Science of collecting, organizing, analyzing, and interpreting data in order to make decisions.
What is Statistics?
Drawing conclusion from the information from descriptive statistics.
What is Inferential Statistics?
Find the mean and mode of this set:
3,5,7,7,8,8,8
Mean: 6.6
Mode: 8
The measure of variability that calculates the middle 50% of the data
What is the interquartile range?
All the members in a group.
What is Population?
Determining how a population behaves derived from a sample. (Testing hypotheses)
What is an example of Inferential Statistics?
Find the mean and median of this set?
3,4,5,6,7,8,10
Mean: 6.1
Median: 6
Data that has no skew.
What is normal distribution?
The action of a physician studying turbulence in a laboratory.
What is an example of Descriptive Statistics?
What is the mean, median, and mode of this set:
3,4,5,2,1,1,1,1
Mean: 2.25
Median: 1.5
Mode: 1
When the mean is greater than the median.
Data used to describe information that is divided into groups, such as colors.
What is categorical?
You survey 10 psychology students who all say that they love statistics. You infer that all/most of psychology students love statistics.
What is an example of Inferential Statistics?
What is the, mean, median, and mode of this set:
509, 50, 20, 80, 45, 50, 30,
Mean:112
Mode:50
Median: 50
When the mean is less than the median.
What is skewed left?