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WMAN101
WMAN101 at WVU
16
Environmental Studies
Undergraduate 3
09/27/2016

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Cards

Term
A t-test is used when:
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 p-value of the test statistic is small (e.g. <0.05)
Term
What is the slope coefficient in the linear model y=mx+b
Definition
M
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 p-values 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
Breeding passerines
Term
A sample unit is what?
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
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