1 Flashcards
1
Q
Variability
A
Difference, stat study this
2
Q
2 branches of an stat
A
Inferential and descriptive
3
Q
Descriptive stats
A
Data, like average, mean range etc
4
Q
Inferential stats
A
Use small thing to look big thing
5
Q
Data
A
Any collected information
6
Q
Population
A
The group you are interested in
7
Q
Sample
A
A subset of a population
8
Q
Paramater
A
A numerical summary of a population
9
Q
Statistic
A
A numerical summary of a sample
10
Q
Census
A
Like a sample of the entire population get information from ever member of the population
11
Q
Random variables
A
If you randomly choose people from a list,their everything will be consider variable
12
Q
Quantitative variable
A
Are numeric: such as height, age, SAT score
13
Q
Categorical variable
A
Such as: yes, no, blonde
14
Q
Frequency
A
How often things comes up
15
Q
Statistics
A
Study of variability
