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Statistics are a collection of data or information which are displayed and analysed. 


Today we are continuing to look at how data is interpreted and represented. I have uploaded the video links from Wednesday for you to watch again, if you would like to recap - they are towards the bottom of the page.  

When you are ready, work your way through the Busy Ant Activity. As you know, Busy Ant Activities have three challenges, so start at Challenge 1 and see how you get on. Don't be put off if the work gets tricky, just try your hardest to 'use what you know, to work out what you don't'.

In our work today you will meet the terms 'continuous data' and 'line graph'. These may not be familiar to everyone and that is OK, because I am going to explain what they mean.

continuous data = is the information collected about a specific 'thing' over a period of time.


In today's work the specific 'thing' is temperature and the changes in temperature at certain points throughout the day. 

line graph = a graph where all of the plotted points are joined by straight lines.

The graphs in this work are called time graphs, they are called this because they are representing the temperature at a particular time. Here are some points to remember when producing and interpreting graphs: 

  •  Time always goes along the horizontal axis (the x-axis) and runs across from left to right.
  •  The temperature goes up the vertical axis ( the y-axis) and runs from bottom to top.
  •  When plotting your graph you move across the x-axis before moving up the y-axis - do you remember our  saying? You move across the hall before going up the stairs. smiley
  •  When plotting on the graph you always place your mark where the two axis meet.


Here is an example: 

Take a look at the graph. Can you see that after 1hr Dan was 2km away from home and that after 2.5hrs he was 4km? Through analysis we can gather a variety of information from this graph. For example, one thing we could calculate is how quickly Dan was walking each hour, or even how far he walked in total that day - I am not going to ask you to do this as I am not there to support your thinking. smiley


What do you notice about the graph? Have you noticed there are two places where the line plateaus (goes flat)? The time is passing but the distance isn't increasing, what might Dan be doing during this time? Talk to whoever ever is there with you, what do they think? I'll put what I think at the bottom of the page. smiley

Let me know if you get stuck and I can help you. smiley

Busy Ant Maths: School time graphs.

Wednesday's video clips. 
There are activities that link to this on Mathletics. 
smiley I think that when the lines plateau that shows us that Dan has stayed in the same place for a period of time. I wonder what he was doing? Maybe he was having his lunch. laugh