Plots
Another name for a distribution with two peaks.
What is bimodal distribution?
This measure of spread is the difference between the max and min.
What is range?
This distribution looks at the combination of 2 variables.
What is joint distribution?
The group of subjects not given the treatment.
What is control group?
The set of all possible outcomes.
What is the sample space?
This plot describes the distribution of a quantitative variable over time.
What is a time plot?
This statistic is a resistant measure of center of a distribution.
What is the median?
The distribution of one variable in a 2-way table, ignoring the other one.
What is marginal distribution?
Sample isn’t representative of those in the
population list.
What is undercoverage bias?
The set of outcomes not in event A.
What is the complement of A?
This plot describes the distribution of a categorical variable & % don't add up to 1.
What is a bar plot?
This coefficient describes the linear relationship between two quantitative variables.
What is correlation?
This distribution is the proportions of one variable given a level of the other one.
What is conditional distribution?
Sample selected by taking the
members of the population that are easiest to reach.
What is convenience sample?
The probability of the sample space is 1.
What is the second axiom of probability?
The value for which p% of the numbers are less than that value.
What is the pth percentile?
This statistic measures the spread of the middle 50% of the observations.
What is the interquartile range?
The relationship between two variables can be reversed by factoring in a third variable.
What is Simpson's paradox?
Three principles of good experimental design.
What are control, randomization, and replication?
The probability of any event is between 0 and 1.
What is the first axiom of probability?
This plot is a graphical representation of the five-number summary.
What is a boxplot?
This measure of spread is highly influenced by outliers & same unit as the numbers.
What is standard deviation?
This distribution describes the changes in one variable as the other one also changes.
What is conditional distribution?
A variable not considered in a study that affects the value of the response.
What is lurking variable?
Two events have no outcome in common.
What are disjoint events?