Mode, Median, Range

Question

Given the date set D = (2,2,3,3,4,4,4,5,5,6,6)

 

1.  Since 2+2+3+3+4+4+4+5+5+6+6/11 = 44/11 = 4 .  Is 4 the mean of D?

 

2  Since 4 occurs the most often, is this mode?

 

3.  Since 4 is the "middle" value, is this median?

 

4.  Since 6 - 2 = 4, is this range?

 

5.  Since 5 is the "middle" value of (4,5,5,6,6) what is D of 5 called _________

 

6.  Since 3 is the "middle" value of (2,2,3,3,4) what is D of 3 called ______

 

7.  Since 5 - 3 = 2, what is D of 2 called_______

 

What are the vocabulary terms for #6, #5 and #7?

 

Is #1 - #4 correct?

Answer 1

ARE #1 - #4 correct?  YES!

 

5. Upper Quartile

 

6. Lower Quartile

 

7. Interquartile Range

 

See http://www.mathsisfun.com/data/quartiles.html