The average of the numbers in a data set
Mean
Given the data set:
10, 11, 15, 16, 16, 20, 25
The range is 10.
False. The range is 25 - 10 = 15.
What is the median?
15
In the data set below, what is the mode?
54, 54, 54, 55, 55, 58, 58, 59, 59, 59, 59
59
The middle number
Median
Given the data set:
3, 3, 4, 4, 5, 5, 5, 5, 10, 11, 11, 11, 11, 12
The mode is 5 and 11.
True.
What is the Minimum and Maximum value?
Minimum - 4
Maximum - 25
In the data set below, which of the following is the range?
5, 5, 6, 7, 7, 8, 10, 11, 20, 25, 26, 26
26 - 5 = 21
When you split the data in half and find the median of the lower half of the data set.
Lower Quartile or Q1
Given the data set:
4, 40, 45, 46, 47, 50, 59
The mean is 46?
False. The mean is about 42.
Find the Interquartile Range
13
2, 7, 9, 13, 13, 14
a) 9.0 b) 8.6 c) 8.5 d) 9.7
d) 9.7
The upper quartile (Q3) minus the lower quartile (Q1) is called...
Interquartile Range
Given the data set:
2, 8, 10, 10, 10, 12
Mode = Median
True. The mode is 10 and the median is 10.
Describe the spread, or range, of data.
From 6 to 20
The data listed below represents the weather from the last 12 days:
45, 50, 64, 65, 65, 67, 70, 70, 71, 75, 78, 84
What is the mean, median, mode, and range of the data?
Mean = 67
Median = 68.5
Mode = 65, 70
Range = 39
The spread of the data set.
Range
Given the data set:
2, 4, 5, 5, 5, 6, 7, 9, 9, 10, 11, 14
The interquartile range is 5.
False. Find the Q1 and the Q3.
Q3 - Q1
9.5 - 5 = 4.5
Which statement correctly describes the relationship between the football teams.
A) The median goals for team 1 is less than the median goals for team 2.
B) The range of goals for team 1 is less than the range of goals for team 2.
C) The interquartile range of team 1 is greater than the interquartile range for team 2.
B
What is the interquartile range of the data set below?
38, 42, 46, 52, 54, 57, 60
Q3 - Q1
57 - 42 = 15