Statistics Math Flashcards
What are the types of sampling?
Convenience, simple random, systematic, stratified, and quota sampling.
What is convenience Sampling?
Collecting data that is easily accessible
What is Simple random sampling?
Random drawing name
What is Systematic sampling?
Every 10th person in the list
What is Stratified sampling?
Dividing data into smaller groups then picking equal numbers.
What is Quota sampling?
Dividing data in smaller groups then picking numbers equal to their weight.
What are the 2 types of quantitative data?
discrete and continuous
What is the mean?
The average
What is the Median?
The middle value
What is the Mode?
The # that occurs the most.
r value of 0
No correlation
0 < r =< 0.5
Weak correlation
0.5 < r =< 0.75
Moderate correlation
0.75 < r =< 1
Strong correlation
