stats 1
For the way anova the variability between groups should be this, and the variability within groups should be this
What is big and small?
When scores in a problem are not free to vary during calculating a correlation coefficient you may have this problem
What is restricted range?
Another name for Bo
What is the y intercept or the value of y when x is zero?
The statistical test the makes no assumptions about the shape of the distribution
What is a non-parametric test?
The term for B1
What is the slope of x, or the predicted change in y for a one unit increase in x
The error that is made in psychology 20-50% of the time
What is the type 2 error?
What is heteroscedasticity?
The term used to describe when lines are not parallel
What is an interaction?
The term for SSy prime subtract ybar
What is predicted or explained variance?
In this problem
2-3= -1
3-3= 0
4-3= 1
What are -1,0, and 1 called?
What are deviation scores?
The creator of the word software and the developer of a popular post-hoc test
Who is John Tukey?
The term for the numerator in the pearson correlation formula
What is covariance or covary over how they vary over how they vary?
The term for the predicted values of y in a regression problem
What is y prime?
The chi square test that would be used to see if there were more men or women in a class
What is the chi square test of goodness of fit?
The term for distributions that are too flat or too peaked
What is kurtosis?
In a 3x2 factorial design, the number of main of effects is this
What is 2 main effects?
The anova test and t tests are cases of this
What is regression?
If a problem has a perfect negative correlation between x and y, the regression line will look like this
What is starting at the bottom and going up to the top?
The expected value is a chi square if the row total is 5, the column total is 5 and the sample size is 25
What is 1?
The z formula for a murder of crows
What is zxbar?
In a 3x2 factorial design the number of interactions is this
What is 1 interaction?
If a correlation is perfect, all the points in a regression will fall on this
What is the best fitting line?
The mean square in a regression that shows how wrong the y guesses were
What is msresiduals?
The kind of statistics that we have covered in this class
What are inferential statistics?
When you reject the null hypothesis the probability of making a type 2 error is this
What is 20-50%?