Pulse rates

Pulse rates

Auto-markingPencil and paperOnline interactive
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Further Resources
This task is about interpreting statements about a stem-and-leaf graph.
Some people measured their pulse rates for 1 minute and recorded their findings on a stem-and-leaf graph.
(pulse rate is the number of heart beats in one minute).

Pulse Rates of people

stem and leaf pulse rates.png
 
Read each statement below about the graph, and select whether each is True or False.

Question 2Change answer

a)  The slowest pulse rate in the group is 50.  TrueFalse

Question 2Change answer

b)  The fastest pulse rate in the group is 91.  TrueFalse

Question 2Change answer

c)  The most common pulse rate is 72.  TrueFalse

Question 2Change answer

d)  There are 36 people in the group.  TrueFalse

Question 2Change answer

e)  The middle pulse rate is 75.  TrueFalse

Question 2Change answer

f)  One person had a pulse rate of 44.  TrueFalse

Question 2Change answer

g)  There is one person with a pulse rate between 50 and 60.  TrueFalse
Task administration: 
This task can be completed with pencil and paper or online (with auto marking displayed to students).
Level:
3
Curriculum info: 
Maths, Statistics, Statistical literacy
Keywords: 
stem-and-leaf graphs, graph interpretation
Description of task: 
Students read statements about a stem-and-leaf graph and indicate whether the statements are true or false.
Curriculum Links: 
This resource can be used to help to identify students' understanding of identifying correct and incorrect statements about a data display.
Learning Progression Frameworks
This resource can provide evidence of learning associated with
Interpreting statistical and chance situations, sets 3-4
within the Mathematics Learning Progressions Frameworks.
Read more about the Learning Progressions Frameworks.
Answers/responses: 
 

Y7 (03/2001)

a)

b)

c)

d)

e)

f)

g)

False

True

False

False

True

False

True

7 correct - very difficult

6 correct - difficult

4-5 correct - easy