Measures of Central Tendency

Objectives:
  • Calculate the mean of a set of data.
  • Calculate the median of a set of data.
  • Calculate the mode of a set of data.



Vocabulary:
  • central tendency
  • summation notation
  • mean
  • median
  • mode
  • outlier
Formulas:
  • mean: mean
  • mean of grouped data: mean of grouped data


Possible Classroom Examples:

Year TDs
Year TDs
1961 18

1970
19
1962 22

1971
11
1963
15

1972
18
1964
22

1973
15
1965
19

1974
17
1966
17

1975
25
1967
29

1976
17
1968
21

1977
9
1969
23

1978
25


© 2007 Elizabeth E. K. Jones and the ASU Department of Mathematics and Statistics - All rights reserved.