Term

Definition
is the collection of all members in a group 


Term

Definition
is the portion of the population selected for analysis 


Term

Definition
is a numerical measure that describes a characteristic of a population 


Term

Definition
is a numerical measure that describes a characteristic of a sample 


Term
two branches of statistics 

Definition
descriptive: collect and present data inferential: drawing conclusions 


Term

Definition
estimate the population mean weight using the sample mean weight 


Term

Definition
test the claim that the population mean weight is 120LB 


Term

Definition


Term

Definition
marital status political party eye color 


Term

Definition
discrete: counted items; #defects/hour continuous: measurements; weight, voltage 


Term

Definition
weakest form of measurement, just categories no ordering
marital status, type of car owned 


Term

Definition
ordered categories; rankings, order, or scaling
service quality rating, students grades 


Term

Definition
differences between measurements but no true zero
temperature in F, std exam score 


Term

Definition
differences between measurements, true zero exists. strongest level of measurement
height,age,weekly food spending 


Term

Definition
observation survey experimentation 


Term
secondary data compilation 

Definition
print of electronic sources 


Term

Definition
bars are ordered from largest to smallest 


Term

Definition
has no spaces in between bars 

