A piece of cake
It is the variable that is systematically manipulated by the investigator.
Independent Variable
______ states that there is a change, a difference, or a relationship for the general population.
Alternative hypothesis
It is the variable that the investigator measures to determine the effect of the independent variable.
Dependent Variable
Alternative hypothesis is denoted by _____.
H1
It is the sum of the data entries divided by the number of entries.
Mean
When you want to know if there is a ‘difference’ between the two groups in the mean, use _____.
T-Test
It refers to a statement or assumption about a population parameter.
Hypothesis
______ predicts that the independent variable (treatment) has no effect on the dependent variable (scores) for the population.
Null Hypothesis
What is the meaning of the acronym ANOVA in statistics?
Analysis of Variance
It is also called the level of significance. It is a probability value that is used to define the concept of “very unlikely” in a hypothesis test.
Alpha level