Mean
Median
Box Plots
Dot Plots
Histograms
100
Find the mean of this data set: 2, 5, 7, 19, 29, 101
27.167
100
Where in a boxplot can you find the median?
the middle line in the box
100
Where is the minimum on a box plot?
left whisker
100
How do you figure out the total number of people surveyed from a dot plot?
count up the dots
100
Can you look at a completed histogram and tell exactly what one specific person's score was?
No
200
What shape does a graph have when using the mean to describe the center?
symmetric
200
Find the median of this data set: 80, 100, 190, 110, 70, 90, 130
100
200
Describe where to find the median in a box plot.
Center line of the box
200
If a dot plot has a spread of 10 to 19, what is the range?
9
200
In an interval for a histogram, which numbers are included? For example, in an interval of 10-15, which numbers are included?
the left hand number through the right, but not including the right
300
Find the mean of this data set: 80, 100, 190, 110, 70, 90, 130
110
300
Find the median of this data set: 50, 110, 100, 120, 107, 140, 150
110
300
Draw a box plot for this data:
80, 100, 190, 110, 70, 90, 130
see picture
300
If a dot plot has the same number of dots on each side, creating a mirror image, what is it's shape?
symmetrical
300
Which interval has 300 employees?
11-21
400
Find the mean of this data set: 50, 110, 100, 120, 107, 140, 150
111
400
What shape does a graph have when using the median to describe the center?
non-symmetric
400
Describe what the IQR is.
Interquartile range, so the range of numbers in Q1 to Q3.
400
Create a dot plot of this data:
1, 2, 2, 4, and 6
see picture
400
How many employees were surveyed?
2700
500
Name two type of data displays that CANNOT show the mean.
Box plots and Histograms
500
Name one type of data display that clearly shows the median.
Box Plot
500
How much percent of the data falls in the 3rd quartile of a box plot?
25%
500
Ms. O'Neil will show you a dot plot. Is the mean greater than, equal to, or less than 5?
equal to 5
500
Is this histogram symmetric or non-symmetric?
non-symmetric