Give a definition for the mode.
The number that appears most often
Give a definition for the median.
The number in the middle. Data must be IN ORDER
Give a definition for the range.
Highest - lowest
Max - min
Give a definition for the mean.
The average. Add all the data and divide by how many there are.
Describe was a quartile is.
A quartile is a statistical value that splits a sorted set of data into four equal parts.
Each quartile represents 25% of the total data points.
What is the mode for this set of data?
1, 2, 3, 3, 4
3
What is the median for this set of data?
6, 8, 10, 12, 14
10
What is the range for this set of data?
4, 8, 10, 14, 23, 25, 67
67-4
63
What is the mean for this set of data?
1, 3, 5, 7, 9
1+3+5+7+9=25/5
5
What is another name for the second quartile of a data set?
Median
What is the mode for this set of data?
10
What is the median for this set of data?
74, 72, 70, 68, 66
70
What is the range for this set of data?
88, 93, 84, 80, 91
93-80
13
What is the average for this set of data?
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
1+2+3+4+5+6+7+8+9+10=55/10
5.5
Estimate the value of the third quartile.
93
What is the mode for this set of data?
100, 154, 54, 100, 10, 20, 20
100 and 20
What is the median for this set of data?

11
What is the range for this set of data?

19-1
18
What is the mean for this set of data?

0
Find the first quartile of the data set.
18, 36, 47, 59, 60, 61, 85,
36
What is the mode for this set of data?
No mode
What is the median for this set of data?
0
What is the range for this set of data?

16-(-16)
32
What is the mean of this data set?
Cannot be determined without the entire data set.
~~DOUBLE JEOPARDY~~
Determine the 5-number summary of the following data:
6, 6, 7, 10, 10, 10, 11, 13, 13, 16, 16, 18, 18, 18, 6, 6, 7, 10, 10, 10, 11, 13, 13, 16, 16, 18, 18, 18
Min=6 Q1=10 Median=12 Q3=16 Max=18