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Definition
You wish to compare the mean of 2 populations |
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What is the chi square test for used for? |
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Definition
You have categorical response and predictor variables |
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The null hypothesis of a t test states: |
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Definition
There is no difference between the mean of two populations |
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We reject the null hypothesis when: |
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Definition
The p-value of the test statistic is small (e.g. <0.05) |
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What is the slope coefficient in the linear model y=mx+b |
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Definition
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The data we provide in linear regression is |
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Definition
Response and predictor variables |
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The quantities we estimate in linear regression are |
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Definition
Test statistic and p-values and slope coefficient and intercept |
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Term
The null hypothesis in linear regression is |
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Definition
No relation between the predictor and response variables |
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The null hypothesis of a chi square test is |
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Definition
There is no association between the two categories |
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When studying unmarked animals we ask questions related to |
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Definition
Habitat relationships and abundance |
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Point counts are most effective for sampling what? |
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Definition
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Definition
The element of an investigation subject to replication |
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The sampling unit when snorkeling is often what? |
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Definition
the randomly selected stretch of stream |
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Distance sampling is based on the idea that |
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Definition
animals are easier to detect when closer to the observer |
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Term
Knowledge of statistics is important at what steps of the scientific method |
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Definition
Design research to test hypotheses and analyzing data |
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Term
In order to be part of a statistical population, each potential sample unit must |
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Definition
be available for sampling |
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