Data GCSE Revision

Presentation

•

Mathematics

•

9th - 10th Grade

•

Practice Problem

•

Easy

Tracey Bates

Used 8+ times

FREE Resource

26 Slides • 19 Questions

Data
Revision

Lesson Objectives

1) Bar Charts
2) Comparative Bar Charts
3) Composite Bar Charts
4) Pie Charts
5) Averages
6) Venn Diagrams

Bar Charts

What should bar charts have?

Bar Charts

What should bar charts have?

1) Title
2) Label
3) Key
4) Even Spaced

Multiple Select

What 2 things are wrong with this bar chart?

Not in colour

No labels

Should have used a line chart

Spacing incorrect on the chart

Fill in the Blanks

How many of these years was car production more than 1.4 million?

Multiple Select

In which two years was car production the same? (choose 2 answers)

Comparative Bar Charts

Complete Question 3 (revision book)

Should look something like this.......

Composite Bar Charts

Labeling

Label this composite bar chart

Drag labels to their correct position on the image

Totals for each group

Data label

Title

Frequency

Key

Fill in the Blanks

How many people passed their driving test at the Bristol Centre?

Fill in the Blanks

How many people failed their driving test at the Taunton Test Centre?

Fill in the Blanks

How many students sat their test at Swindon?

Pie Charts

Complete Question 4 (revision book)

Does yours look like this?

Hey diddle-diddle the MEDIAN’s the middle You add, then divide for the MEAN The MODE is the one you see the most And the RANGE is the difference between

AVERAGES

Mean

Reminder: add together and divide by how many there are!

Question: What is the mean to this set of data?

2, 8, 6, 3, 12, 7, 4

Question: What about this set of data?

9, -3, -6, 5, 0

Multiple Choice

What is the mean for this set of data? 3, 2, 1, 3, 2, 2, 1, 3, 1, 2, 3, 2, 1

2.5

Multiple Choice

What is the mean for this set of data? 20, 30, 24, 32

26.5

Fill in the Blanks

What is the mean of these 5 numbers?

Mode

Reminder: the most common 'popular' number

Question: What is the mode to this set of data?

8, 3, 3, 4, 6, 8, 13, 3, 18

Question: What is the modal for this set of data?

-2, -1, 5, 8, -2, 2, -1, 9, -1, 1, 2, -1

Multiple Choice

What is the mode of this set of data? 8, 3, 3, 4, 6, 8, 13, 3, 18

Multiple Choice

What is the mode for this set of data? 2.3, 2.6, 2.8, 2.7, 2.8, 2.7, 2.4, 2.3, 2.1, 2.3

2.3

2.8

2.6

2.4

Fill in the Blanks

What is the modal of these numbers?

Median

Reminder: the middle number

Question: What is the median to this set of data?

5, 1, 4, 6, 8

Question: What is the median for this set of data?

7, 3, 8, 9, 6, 5

Multiple Choice

What is the median for this set of numbers? 9, 1, 3, 6, 7, 8, 9

Multiple Choice

What is the median for this set of data? 124, 53, 39, 230, 155, 180

155

124

139.5

180

Fill in the Blanks

What is the median of these numbers?

Range

Reminder: the largest take away the smallest

Question: What is the range of this set of data?

5, 9, 1, 5, 7, 4, 3

Question: What is the median for this set of data?

7, 1, 9, -2, 13, 9, 8, 20, -8, 1

Multiple Choice

What is the range of this data? 6, 7, 10, 8, 9, 9

Multiple Choice

What is the range of this data? 210, 250, 260, 180, 240

100

Fill in the Blanks

What is the range of these potatoes?

Venn Diagrams

50 - 6 = 44
30 + 25 = 55
55 - 44 = 11
30 - 11 = 19
25 - 11 = 14

Venn Diagrams

20 + 15 = 25
40 - 25 = 15

10

15

Your Turn

Now work on Revision 1 books
Past Papers
Teams

Data
Revision

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