Jellybeans

This task is about reading information from a graph.

jelly beans

Jane's maths class estimated the number of jellybeans in a jar.

The students' estimates are shown on the graph below:

 

illustration: jellybeans

a)
What type of graph is this?
 
  (A)
(B)
(C)
(D)
(E)
Dot plot
Histogram
Pictograph
Stem-and-leaf graph
Strip graph
 
b)
Altogether, how many students are in Jane's class? _____________
 
c) What is the:
 
 
i)
 
ii)
lowest estimate?       ____________
 
highest estimate?      ____________
 
d) What is the:
 
 
i)
 
ii)
median?   ____________
 
mode?      ____________