Box Plots
What is the median? 1, 3, 7, 9, 11, 13, 15
9
What is the definition of mode?
The number in a data set that appears the most.
Find the Median: 83 , 97 , 85 , 84 , 96 , 80 , 80 , 87 , 91
85
Which number would be farthest to the right on this dot plot?
2, 3, 2, 5 , 10, 9, 7, 10, 7, 9, 15, 8, 10, 12
15
Solve: y + (-12) = -8
y = 4
What is the range? 1, 3, 7, 9, 11, 13, 15
14
What is the definition of median?
The number in the middle when the numbers are in order from least to greatest.
Find the Mode: 83, 97, 85, 84, 96, 80, 80, 87, 91
80
Which number would be the minimum on a dot plot created using these values?
19, 23, 30, 25, 26, 29, 10, 12, 31, 15, 15, 32
10
Angles whose measures add up to 180 degrees are called ______________ angles.
Supplementary
What percent of a data set can be found inside the 'box' of a Box & Whisker plot?
50%
How do you find the mean?
Add all of the numbers in the data set together. Divide by the amount of numbers in the data set.
Find the Mode: 520, 480, 375, 950, 765, 845, 670
There is NO mode.
What is the easiest measure of center to find using a dot plot?
Mode
What is absolute value?
A number's distance from zero.
What is the lower quartile? 1, 3, 7, 9, 11, 13, 15
3
What is interquartile range?
The difference between quartile 3 and quartile 1 (the range of the box in the box plot).
Find the Mean: 12, 18, 24, 21, 15
18
Describe how you could find the mean on a dot plot.
Add together all the numbers represented by the dots, then divide by how many dots there are.
The Circumference of a circle can be found by multiplying pi times the _____________ of the circle.
Diameter
What is the IQR (Interquartile Range) 1, 3, 7, 9, 11, 13, 15
10
Comparing two data sets by their _________ is the easiest way to compare their variability.
Range
Find the Mean: 30 , 37 , 47 , 50 , 50 , 53
44.5
How can you identify outliers in a dot plot?
The outlier stands out either on the far left or right in the dot plot.
Vertical angles only share 1 point with each other. That point is the _________.
vertex