Stem and Leaf Graphs Test

Unit Test #54

Select your answers to the following 5 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.

 

 

Q1:
 The stem and leaf diagram below shows the examination marks of 30 students of English.
9
 1 5 6
8
 1 2 4 9 9
7
 0 4 7 8 9 9
6
 1 2 2 3 6 7 8
5
 3 5 6 7 9
4
 1 2 8 9

The stem represents "tens".

What is the median of this distribution?

 A. 67.5
B. 66
C. 67
D. 66.5
Answer 1:

 
Q2:
 On the stem and leaf diagram in question 1, what is the lower quartile? A. 56
B. 57
C. 58
D. 59
Answer 2:

 
Q3:
 Is the data in question 1 continuous or discrete? A. Continuous
B. Discrete
Answer 3:

 
Q4:

The back to back stem and leaf diagram shows the heights in cm of two squads of 15 basketballers.

Squad A
  
Squad B
9 2 1
20
 1 4 6 7
8 6 3 2
19
 1 4 6 9 9
9 9 5 4 2
18
 0 2 3 7
8 3
17
 4 8
7
16
 9

The stem represents "tens".

Which distribution has the biggest interquartile range?

A. Squad A

B. Squad B
Answer 4:

 
Q5:
 What is the lowest median height of the two squads? A. 192
B. 191
C. 190
D. 189
Answer 5: