Term

Definition
You wish to compare the mean of 2 populations 


Term
What is the chi square test for used for? 

Definition
You have categorical response and predictor variables 


Term
The null hypothesis of a t test states: 

Definition
There is no difference between the mean of two populations 


Term
We reject the null hypothesis when: 

Definition
The pvalue of the test statistic is small (e.g. <0.05) 


Term
What is the slope coefficient in the linear model y=mx+b 

Definition


Term
The data we provide in linear regression is 

Definition
Response and predictor variables 


Term
The quantities we estimate in linear regression are 

Definition
Test statistic and pvalues and slope coefficient and intercept 


Term
The null hypothesis in linear regression is 

Definition
No relation between the predictor and response variables 


Term
The null hypothesis of a chi square test is 

Definition
There is no association between the two categories 


Term
When studying unmarked animals we ask questions related to 

Definition
Habitat relationships and abundance 


Term
Point counts are most effective for sampling what? 

Definition


Term

Definition
The element of an investigation subject to replication 


Term
The sampling unit when snorkeling is often what? 

Definition
the randomly selected stretch of stream 


Term
Distance sampling is based on the idea that 

Definition
animals are easier to detect when closer to the observer 


Term
Knowledge of statistics is important at what steps of the scientific method 

Definition
Design research to test hypotheses and analyzing data 


Term
In order to be part of a statistical population, each potential sample unit must 

Definition
be available for sampling 

