1. Faculty /Study Program : MIPA/Mathematics Education 2. Subject & Code : Elementary Statistics, MAA 306 3. The number of SKS : Theory : 2 sks  Practice : 1 sks 4. Semester and Duration : II, Duration : 100 minutes 5. Based Competency : To understand the harmonic mean, the related arithmetic mean, the geometric mean and the harmonic mean, the weighted  mean and the overall mean
6.  Achievement Indicator                  :

a)  Student can calculate the harmonic mean
b)  Student can explain the related the arithmetic mean, the geometric mean and the harmonic mean
c)  Student can calculate the weighted mean d)  Student can calculate the overall mean
7.  Material                                   : measures of central tendency (the harmonic mean, the related arithmetic mean, the geometric mean and the harmonic mean, the weighted mean and the overall mean)
8.  Lecture Activity                            : 6

 Step Component Activity Duration Method Media References Introduction Explain briefly the material (measures central tendency) 20’ Discussion and Exercise LCD, white/black board A: 36-72 B: 41-116 Main Activities 1. Explain the harmonic mean, the related arithmetic mean, the geometric mean and the harmonic mean, the weighted mean and the overall mean 2. Do exercise and discuss the Results 60’ Closing Activity Conclude the entire materials and give tasks 10’ Further Activities Invite the students to ask or give an opinion about the materials 10’

9.    Evaluation
The evaluation is performed based on the student activities in discussion, doing exercise.

10.  References
A.   Triola, Mario F. 2004. Elementary Statistics. New York: Addison-Wesley.

B Weiss, Neil A. 1995. Introductory to Statistics. New York: Addison-Wesley.