types of data
This type of variable place individuals into groups or categories
What is a categorical variable?
This is best for displaying categorical data using bars
what is a bar graph?
The 4 main features of a distribution are shape, center, spread, and...
What are outliers??
this measure represents the average value of a dataset
what is the mean?
an individual described by data is called this
what is an individual? lol
This types of variable takes numerical values and measures quantities.
What is a quantitative variable?
this is commonly used to display quantitative data distributions
what is a histogram?
a distribution with a longer tail on the right is described as...
what is skewed right?
this measure is the middle value when data are ordered
what is the median?
a characteristic measured on individuals is called...
what is a variable?
A survey asking students for their favorite sports team collects this type of data
what is categorical data?
this display shows the 5-number summary
what is a boxplot?
a perfectly balanced distribution is called this
what is symmetric?
this measure is found by subtracting the minimum from the maximum
what is the range?
A fake treatment works
what is a placebo effect?
Height measured in inches is an example of this kind of quantitative variable
what is continuous data?
this shows the relationship between 2 quantitative variables
what is a scatterplot?
a graph with 2 clear peaks is described as this
what is bimodal?
this resistant measure of spread is found using the values from Q3 and Q1
what is the interquartile range/IQR?
a sample meant to represent the population should be this
what is random?
The number of siblings a student has is this kind of quantitative variable
what is discrete data?
in a histogram, the spaces between bars usually mean this
what is nothing/the data are continuous?
when all data values are equally spread across intervals, the distribution is called this
what is uniform?
the mean is usually pulled in the direction of these values
what are outliers/extreme values?
A distribution has a mean of 72 and median of 65. Describe the shape of the distribution
what is skewed right?
Zip Code 46845
What is categorical data?
Mosic Plot
What helps visualize difference in proptions across varying sample size
SOCV
How do you describe a distribiton? Shape, Outliners,Center and Varaiblity
Most frequently occuring number
What is the mode
Show Caustion
Why do we use Random Assignment?