Dot Plot 5 Number Summary Graphs Histogram Stemplot
100
What is a dotplot?
A simple graph that shows each data value as a dot above its location on a number line
100
What is it composed of?
minimum, first quartile, median, third quartile, & the maximum
100
What is right skewed?
All data is on the left
100
What is a histogram?
Made up of columns plotted on a graph, no space between adjacent columns
100
What is a stemplot?
A different kind of graphical display, shows exact values of individual observations.
200
What is one was to describe a dotpot?
Shape
200
What is the minimum/ maximum?
take the lowest/ highest value in your set of data
200
What is left skewed?
All data is on the right
200
What is each column defined by?
Each column represents a group defined by a quantitative variable.
200
What is stems?
The entries on the left
300
What is one way to describe a dotplot?
Center
300
What is the Q1?
Find the median of your set then find the median from that value and your minimum
300
What is strong positive and linear?
The data shown id a straight line will all data closely following in a positive direction
300
What is seen by looking at a histogram?
Shape
300
What is leaves?
The entries on the right
400
What is one was to describe a dotplot?
Spread
400
What is the Q3?
Find the median between the maximum and median value
400
What is symmetric distribution?
A distribution whose shape is uni-modal and each side is roughly a mirror image of the other
400
What is another way to describe the shape?
Right/left skewed
400
What is measured by the stems and leaves?
Stems and leaves could be other units like millions, thousands, ones, tenths, etc.
500
What is one was to describe a dotplot?
Outliers
500
What is the IQR from this?
Subtract you Q3 from your Q1
500
What is uniform distribution?
A distribution whose shape is evenly distributed throughout the values it takes
500
What is the skewness of a histogram?
The tendency of the observations to fall more on the low end or the high end of the X axis.
500
What is seen easily on a stemplot?
Outliers






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