Vocabulary
What term is used to describe a data set with a tail on the left?
Left-skewed
16
Which type of display shows the five-number-summary?
Box plot
Which measure of variability is associated with a symmetric spread of data?
Standard deviation
What is the minimum value in the data set?
0, 1, 2, 2, 4, 5, 7, 14
0
Variability
52
25
Dot plot
If a large outlier is removed from a data set, what happens to the mean?
It will go down/decrease
What is the outlier in this data set?
0, 1, 2, 2, 4, 5, 7, 14
14
What is a value that is far above or below the others?
Outlier
3x=24 (solve for x)
x=8
Which type of data display breaks the data into groups?
Histogram
Which measure of center is the least affected by outliers?
Median
What is the IQR of a data set with the following five-number-summary?
3-14-16-19-24
5
True or False: Bimodal displays are always symmetric
12 + 25 + 73
110
Which shape of data has the same mean and median?
Symmetric
If the data is skewed right, which is larger: mean or median?
Mean
What would the shape of this data set be?
2, 4, 5, 6, 6, 8, 8, 9, 10, 12
Symmetric/bell-shaped
Which measure of center refers to the middle value in a data set?
Median
9 * 7 - 5 *4
43
Which data display helps us see the IQR?
What is the mean of the following data set?
4, 4, 5, 6, 7, 8, 9, 10, 10
7
Give an example of a uniform data set 9 (with at least 6 values)
X