presenting data - howden-le-wear.durham.sch.uk · presenting data is best! if the data shows...
TRANSCRIPT
Presenting Data
Learning Objective: To interpret data using line graphs.
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Monday 9
Tuesday 6
Wednesday 4
Thursday 7
Friday 9
Saturday 13
Sunday 10
Birthday cakes bought at Crumbly Chris’s Bakery last week
How could we present this data?
Discuss your ideas...
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Did you think of these?
Monday 9
Tuesday 6
Wednesday 4
Thursday 7
Friday 9
Saturday 13
Sunday 10
Birthday cakes bought at Crumbly Chris’s Bakery
last week
0
2
4
6
8
10
12
14
SundaySaturdayFridayThursdayWednesdayTuesdayMonday
13
109 9
76
4
0
2
4
6
8
10
12
14
SundaySaturdayFridayThursdayWednesdayTuesdayMonday
MO
NTU
EW
EDTH
UFRISA
TSU
N
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0
2
4
6
8
10
12
14
SundaySaturdayFridayThursdayWednesdayTuesdayMonday0
2
4
6
8
10
12
14
SundaySaturdayFridayThursdayWednesdayTuesdayMonday
Y-AXIS
X-AXIS
LINE
LABELS
SCALE
Let’s take a closer look at line graphs. What are the similarities and differences, compared to the
bar chart showing the same data?
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Bar Charts Vs Line Graphs: When to use them.
Depending on the data you’re showing, sometimes it’s better to use a line
graph instead of a bar chart.Do you know why?
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Bar Charts Vs Line Graphs: When to use them.
There’s an easy way to work out which way of
presenting data is best!
If the data shows changes over time, use a
line graph!
Monday 9
Tuesday 6
Wednesday 4
Thursday 7
Friday 9
Saturday 13
Sunday 10 0
2
4
6
8
10
12
14
SundaySaturdayFridayThursdayWednesdayTuesdayMonday
This shows the number of
cakes bought over time–in
this case–days.
Time always goes on the
X-AXIS.
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Bar Charts Vs Line Graphs: When to use them.
If the data doesn’t show changes over time, a bar
chart is usually best.
Bar charts are better for comparing different
things.
0
5
10
15
chewy cherriesmarshmallowsjazziesflying saucerscola bottlesfried eggs
Favourite penny sweets in Year 3
fried eggs 6
cola bottles 11
flying saucers 3
jazzies 13
marshmallows 8
chewy cherries 5
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Bar chart or line graph?
Pieces of fruit eaten during morning break-time by Turner Class last week
Which do you think is best for showing this data?
Monday 18
Tuesday 22
Wednesday 24
Thursday 29
Friday 25
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Bar chart or line graph: Did you get it right?
Pieces of fruit eaten during morning break-time by Turner Class last week
A line graph is best. The data shows changes
over time.
Monday 18
Tuesday 22
Wednesday 24
Thursday 29
Friday 25 0
5
10
15
20
25
30
FridayThursdayWednesdayTuesdayMonday
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Bar chart or line graph?
Top 6 girl’s names at Cornfield School
Which do you think is best for showing this data?
Emma 6
Olivia 6
Aria 2
Mia 4
Isabella 7
Harper 2
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Bar chart or line graph: Did you get it right? A bar chart is best. The data shows popular
names.Top 6 girl’s names at Cornfield School
Emma 6
Olivia 6
Aria 2
Mia 4
Isabella 7
Harper 2
0
2
4
6
8
HarperIsabellaMiaAriaOliviaEmma
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Bar chart or line graph?
The number of times I’ve been to the gym each month (last 6 months)
Which do you think is best for showing this data?
July 14
August 6
September 15
October 18
November 12
December 9
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Bar chart or line graph: Did you get it right? A line graph is best. The data shows changes
over time.The number of times I’ve been
to the gym each month(last 6 months)
July 14
August 6
September 15
October 18
November 12
December 9
0
5
10
15
20
DecemberNovemberOctoberSeptemberAugustJuly
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Can you answer these questions by looking at the line graph?
Temperature on the first day of each month in my back garden in 2015
0°C
2°C
4°C
6°C
8°C
10°C
12°C
14°C
16°C
18°C
DecNovOctSepAugJulJunMayAprMarFebJan
Which months were hottest? Why?
In which two months was the temperature 6°C?
In which month was the temperature 2°C hotter than in April?
Roughly what will the average temperature be during June 2016?
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Did you get them right?
0°C
2°C
4°C
6°C
8°C
10°C
12°C
14°C
16°C
18°C
DecNovOctSepAugJulJunMayAprMarFebJan
Which months were hottest? Why?
In which two months was the temperature 6°C?
In which month was the temperature 2°C hotter than in April?
Roughly what will the average temperature be during June 2016?
July and August. It’s the summer!
March and November.
October.
13°C.
Temperature on the first day of each month in my back garden in 2015
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Can you think of questions that can be answered by looking at this line graph?
TV viewers (in millions) of the World Solitaire Finals
0M2M4M6M8M
10M12M14M16M18M20M22M24M26M
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PLENARY Can you spot the mistakes on this line graph?(The table is correct.)
I put 25 slugs in a box without a lid on it. I
checked how many were left every hour.
After 1 hour 21After 2 hours 18After 3 hours 17After 4 hours 13After 5 hours 13After 6 hours 8After 7 hours 4
0
4
8
12
16
20
24
+8hours+7hours+6hours+4hours+3hours+2hours+1hour
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PLENARY Did you spot the three mistakes?
After 1 hour 21After 2 hours 18After 3 hours 17After 4 hours 13After 5 hours 13After 6 hours 8After 7 hours 4
0
4
8
12
16
20
24
+8hours+7hours+6hours+4hours+3hours+2hours+1hour
wrong number of
slugs
wrong number of
slugs
incorrect labels