Basic Knowledge
Generally, what type of variable is "exam scores" to be known for?
Quantitative
What are the two qualifications for a Chi-square?
2 Qualitative variables, testing whether there is a relationship.
What are the two qualifications for a one-way ANOVA?
What are the qualifications when running a Independent sample t-test?
A qualitative variable with two levels and a quantitative variable. Compares the means.
What does Regression do that is different from a Correlation?
Predicts
In Descriptive Statistics, what are the three measures of central tendencies?
Mean, Median, Mode
Does the df influence the strength of the relationship? True or False.
True
What would the one-way ANOVA state if there was no significance between gender and depression scores?
There are no significant mean differences between gender and depression scores.
Is dependent sample t-test considered a between- or within-subjects analysis.
What is the slope equation for a Linear Regression?
Y = bX + a
What do you need to add in part of your Regression output?
Scatterplot with a trendline
What is the significance?
.313
In Crosstabs, your Independent variable goes into the _______ box.
Column(s)
How many pairs are there when there are three levels?
Three pairs
Based on the Regression output, create a slope equation.
Y = .93X + 89.39
What is a Post Hoc Analysis?
You determine the mean significance between levels by using Tukey or Dunnett's C
When would you use Cramer's V?
When a variable has more than two levels.
Locate the Homogeneity of Variances and identify what type of Post Hoc Analysis to run.
.445 and Tukey
What does it mean if homogeneity of variances is not met?
There are no equal variances within the population.
If Y = .73X + 54.32, what would happen if X = 1
55.05
What type of statistical significances uses Pearson's r?
(ex. t, F, Chi-square)
T-value
What is the percentage of females that got their college diploma?
70%
In a 2 x 4 factorial design, how many conditions are seen here?
8
What is the name of the effect size being identified in a sample t-test?
Eta-squared
What is the significance? What does it indicate?
.006. There is a relationship between Math scores and IQ.