Home > Preview
The flashcards below were created by user
echeng
on FreezingBlue Flashcards.

Trimmed Mean
Removing the top and bottom 5%

Type II Error
Not rejecting the null hypothesis when false

Type I error
Rejecting the null hypothesis when it is true

Independent Group
Samples from different groups that has no relationship between the people or objects in the different groups

Lurking Variable
Variable that affects the response you are studying but is not included in your analysis

Standard Error
How much the sample means vary in repeated samples of the same size from the same population

Alternative Hypothesis
Situation in which is null hypothesis is false

Levene Test, ttest pvalue <0.05
Examine the ttest results with equal variances not assume

Levene Test, ttest pvalue >0.05
Examine the ttest results with equal variances assumed

Sampling Distribution
One distribution randomly selected from many possible distributions

Constant Variance
Another way of saying that the population variance is the same for all cells

Sample
Subset of a population

Parameter
Some numeric characteristics of a population such as the mean

Independent
Menas that knowing the value of one of the variables for a case tells you nothing abut the value of another variable

LeastSquare Regression Line
Means that of all the possible lines that can be drawn on the plot, line B has the smallest sum of squared vertical distances between the points and the line

