The "average" of a set of data
Mean
What is the median of the lower half of the data?
The lower quartile or first quartile
Is it a statistical question?
You want to know how old your friend's mom is.
no
What type of graph is a histogram? (What is it similar to?)
Bar graph
Find the Mean.
2, 4, 5, 6, 2, 3, 1, 1
3
How must data be organized before you can find the median?
in order from least to greatest
____ is a display that shows how the values in a data set are distributed or spread out using medians.
A box plot
Is this a statistical question?
How many people normally attend Rays games.
yes
Histograms represent (choose a or b)
a) simple data values
b) frequencies of numeric data in intervals
b
Find the median.
5, 7, 10, 3, 6, 7, 2
6
Explain how to find the mean of a data set
Add the data values and divide by the number of the data values
What values are used as the endpoints of a box plot?
The least and greatest values (maximum and minimum)
What are data values that are either much greater or much less than the other data values?
Outliers
True or False
Histograms and dot plots are the same.
False
Find the range.
4, 10, 17, 22, 30
26
Find the median:
1, 4, 6, 8, 10, 17
7
Find the range:
2, 4, 7, 8, 10, 12, 25
23
Find the outlier.
20, 23, 27, 22, 9, 25, 23
9
How many weighed 3 kilograms?
10
Find the median
2.8, 8.0, 4.2, 2.35, 7.4, 4.2, 9.52, 10.8, 4.01, 16.25
5.8
Find the mean:
1, 3, 5, 7, 2, 6
4
If the lower quartile is 10 and the upper quartile is 22, what is the IQR (interquartile range)?
12
In a dot plot, each value is represented by a...
dot
How many park's admission cost $15.00 or more?
13
Find the mean.
138, 317, 257, 62, 198, 375, 459, 982, 835, 77
370