Data and Statistics

Graphs

150

What do we write on the y-axis?

What is being measured.

200

What is the title of the graph for?

To tell us what the graph is about.

300

Which graph would you use to show changes over time?

A line Graph

400

What is a broken axis?

A broken axis is when part of the scale on a graph is skipped.

500

Why might someone use a broken axis on a graph?

So the graph can fit large numbers or make changes look bigger or smaller.

Statistics

150

What is Range?

The range is the difference between the highest and lowest number.

200

Give one example of a good question for collecting data on cars. 

What is your favourite car? What type of car do you drive?

300

What is the range: 8, 15, 3, 22, 15, 9, 27, 3, 18, 12, 15, 6, 30, 9, 21

27

400

What graph will you use to show the growth of a plant?

Line Graph

500

Where is Data and Statistics used in real life?

• Making decisions (choosing what to buy, eat, or do)

• Schools (tracking student learning and progress)

• Businesses (what products to sell, prices, trends)

• Sports (scores, player performance, team strategies)

• Weather (predicting temperature and rainfall)

• Health (tracking diseases, patient data)

• Surveys (finding out people’s opinions)

• Social media (likes, views, followers)

Data

150

What is Data?

Information we collect

200

Why do we collect Data?

To answer questions / understand things / make decisions.

300

What is the first thing you do when working with a data set?

Order them form smallest to largest.

400

What is a side-by-side column graph?

A side-by-side column graph shows two or more sets of data next to each other so we can compare them easily.

500

Find the mode and median: 8, 15, 3, 22, 15, 9, 27, 3, 18, 12, 15, 6, 30, 9, 21

Median: 15 Mode: 15

Statistics

150

What is mode?

The mode is the number that appears the most often in a set of numbers.

200

What is median?

The median is the middle number in a data set when the numbers are in order from smallest to largest.

300

What does shape mean when describing a graph?

Shape tells us how the data is spread on a graph.

400

What is the mode: 3, 4, 7, 13, 27, 45, 3, 2, 7, 87, 44, 5, 2, 32, 66, 13, 12, 3, 7, 3, 4, 7

7

500

What is the median? 14, 12, 66, 32, 11, 5, 6, 7, 11, 5, 14, 13, 11, 66, 73, 14, 10, 7, 4

11

Graphs

150

What do we write on the x-axis?

Categories

200

When do we use a legend?

When you are comparing two sets of data or when you are drawing a side-by-side column graph.  

300

Name 3 types of graphs.

column, side-by-side, line graphs

400

What are the features of graphs?

• Title 
• Labels 
• Legend
• Scale

500

Draw an accurate graph for this data: Soccer - 4, AFL - 6, Golf - 8, Netball - 7

Teacher will check