Line graphs

• Health is the state of physical and mental well-being.
• Factors work together and affect physical and mental health.
• A disease is a disorder that affects an organism's body, organs, tissues or cells.
• Part of Biology (Single Science) Organisation
• These relationships may not be obvious from a table of data or could be obscured by experimental errors.
• In Scotland, deaths rose by 30 000.
• A line of best fit looks at how variables behave in relation to each other - it is used to establish or display a correlation or a trend.
• Data points can be connected point to point when there is confidence in their quality.
• Lines of best fit are also used to make predictions.
• In England, deaths rose by 40 000.