What's it called?
A subset of the population.
What is a sample?
Non-categorical data
What is continuous data?
Choose your favorite color.
What is nominal data?
A measure of how spread out the data are.
What is standard deviation?
Alpha = 0.05
p = 0.04
What is significant result?
The center of the data.
What is the median?
Q3 - Q1
What is interquartile range?
Rankings
What is ordinal data?
The result of an ANOVA test.
What is an F statistic?
t = 1.99
p = 0.06
What is not significant?
Comparison of two groups.
What is a t-test?
A linear relationship between variables
What is correlation?
Degrees Celsius
What is interval data?
A non-directional prediction when comparing two groups results in this.
What is a two-tailed test?
Mean: 52.5
Median: 25.6
SD: 30.2
What is outliers are present?
A measure of the distance from the mean.
What is deviation?
The only way to put nominal data into regression.
What are dummy variables?
Age
What is ratio data?
The value at which a t-statistic is likely significant.
What is 1.96?
Mean: 23,120
SD: 4.98
What is data are clustered together?
The only descriptive measure that can be useful in all four types of data.
What is the mode?
A negative t-statistic (compared to a positive t-statistic) has this affect on the p-value.
What is none?
In a regression, this value is used to calculate the p-value and determine if an independent variable is significant.
What is a t-statistic?
This test statistic is found in ANOVA and Regression.
What is an F-statistic?
t = -9.65
p = 0.08
Alpha = 0.10
Males mean score = 94
Females mean score = 90
What is males score significantly higher than females?