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

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

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

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?

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