| Vocabulary!! | Equations and what not | All about Inference for Regression |
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What is a conclusion based on reasoning and evidence
Inference is....
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What is n-2
This equation is used when trying to find the degrees of freedom for 2 variables
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What is Beta
β is the greek letter for
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What is a parameter
A numerical or other measurable factor forming one of a set that defines a system or sets the conditions of its operation...?
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What is regression
b+t*SEb
b-t*SEb These equations are used to find the confidence interval for ____ slope |
What is 1. Observations are independent
2. linear relationship 3. std deviation of line is same everywhere 4. response varies normally about the true regression line
Give one or more regression conditions
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What is confidence interval
To estimate the mean response use a ...
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What is linear regression
*calculator* when trying to find ____...... in L3 you will plug in (L2-(Y1)(L1))
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What is the estimate of the standard deviation
What does the statistic s in inference for regression represent?
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What is prediction interval
To estimate and individual response use a....
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What is β=0, β>0
The AP stats class all take a magical pill before their exam that is supposed to improve their grade. (their scores are recorded but they are not needed for this question) Suppose we want to find if the pill helped their grades. Come up with a null and al
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What is true slope
Beta represents what in the equation μy=α+βx
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What is least squares linear regression
This is a method for predicting the value of a dependent variable Y, based on the value of an independent variable X.
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What is a true regression line
μy=α+βx is the formula for
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What is true intercept
Alpha represents what in the equation μy=α+βx
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