EDUC 606 Learning Activity 3

Learning Activity 3 Instructions

This learning activity consists of a variety of problems from Chapters 13–15. Include a title page with your assignment in current APA format. Spaces for answers are provided. Submit your assignment as a Word document.

1. 1. 1. 1. (20 Pts, 1 Pt each). Calculate the mean, median, mode, standard deviation, and range for the following sets of measurements (fill out the table):

1. 9, 7, 6, 6, 2

2. 12, 10, 9, 8, 6

3. 82, 82, 82, 82, 82

4. 12, 10, 9, 8, 6, 45

DISTRIB

MEAN

MEDIAN

MODE

SD

RANGE

a.

b.

c.

d.

1. (20 Pts, 5 pts each) Answer the following questions:

   1. Why is the SD in (d) so large compared to the SD in (b)?

       

       

       

   2. Why is the mean so much higher in (d) than in (b)?

       

       

1. 1. Why is the median relatively unaffected?

       

       

       

   2. Which measure of central tendency best represents the set of scores in (d)? Why?