Mean
What are the steps to finding the Mean or average of a data set?
Divide by how many numbers there are
What are the steps to finding the Median of a data set if there are an even number of data points?
Put the data in order
Find the two Middle Numbers
Find the Mean of the two middle numbers
How do you find the Mode of a Data set?
79 is which Measure of Center for this Data set?
92, 74, 72, 80, 82, 92, 76, 78
The Median
What are the steps to finding an Outlier in a Data set?
Look for any numbers that "lie" "out" side of the data set (much bigger or much smaller)
What is the Mean?
18, 8, 26, 5, 32
17.8
What is the Median?
2, 6, 15, 17, 18, 25, 29
17
What is the Mode?
15, 13, 14, 27, 3, 12, 15, 27
15 and 27
79 is which Measure of Center for this Data set?
15, 8, 34, 15, 79, 23, 79
The Mode
What is the MODE of the data set WITH and WITHOUT the outlier?
1, 2, 5, 6, 6, 3, 1, 350
Find the Mean from a dot plot that has (ROUND TO THE NEAREST TENTH):
three 0's, four 2's, one 3, and one 4
1.7
What is the Median of a dot plot that has:
one 13, two 15's, two 16's, one 18, and one 27
16
What is the Mode of a dot plot that has:
three 4's, two 6's, five 8's, one 7, nine 12's, five 15's, and four 20's
12
Which Measure of Center BEST describes the data below, and WHY?
2, 0, 3, 2, 1,3
The MEAN because the data is close together
Find the MEDIAN WITH and WITHOUT the outlier from a dot plot that has:
Three 4's, Two 5's, Four 6's, and One 80
WITH AND WITHOUT THE OUTLIER: 5
What is the mean?
13, 5, 12, 17, 4
10.2
What is the Median?
4, 9, 27, 13, 19, 29, 14
14
11 is which Measure of Center for this data set?
0, 0, 1, 2, 6, 11, 14, 15, 17, 26, 29
The Mean
What is the MEDIAN of the data set WITH and WITHOUT the outlier?
1, 2, 5, 6, 6, 3, 1, 350
WITH THE OUTLIER: 4
WITHOUT THE OUTLIER: 3
What is the Mean?
17, 23, 13, 5, 29
17.4
What is the Median?
4, 9, 20, 14, 17, 24
15.5
What is the Mode?
19, 25, 16, 15, 23, 14
No Mode
Which Measure of Center BEST describes the data below? AND WHY??
0, 2, 1, 5, 3, 0, 2, 53, 2
The MEDIAN because there is an outlier in the data set
What is the MEAN of the data set WITH and WITHOUT the outlier? (ROUND TO THE NEAREST TENTH)
122, 132, 124, 143, 3, 107, 119
WITH THE OUTLIER: 107.1
WITHOUT THE OUTLIER: 124.5