Analysing patterns of data

• What is health defined as in the study material?

  Health is the state of physical and mental well-being.
• How do factors affect physical and mental health?

  Factors work together and affect physical and mental health.
• What is a disease defined as?

  A disease is a disorder that affects an organism's body, organs, tissues, or cells.
• What are the different types of diseases mentioned in the study material?

  • Cancer and carcinogens
  • Smoking and cardiovascular disease
  • Effects of alcohol on organs and unborn babies
  • Cardiovascular disease and type 2 diabetes
• What is the purpose of using graphical and statistical methods in the study of disease?

  To analyze patterns of data related to disease.
• Why are graphs used to display data?

  Graphs might display trends that are not as clear when just looking at data in a table.
• What do bar charts show?

  Bar charts show data collected for separate groups.
• What is a key fact about the bars in a bar chart?

  The bars in a bar chart are all the same width and do not touch each other.
• How many deaths could be avoided from cancer in England and Wales in 2013?

  80 deaths per 100,000 of the population.
• How many deaths could be avoided from cardiovascular disease in England and Wales in 2013?

  62 deaths per 100,000 of the population.
• How many deaths could be avoided from drug-related deaths in England and Wales in 2013?

  11 deaths per 100,000 of the population.
• How many deaths could be avoided from infections in England and Wales in 2013?

  3 deaths per 100,000 of the population.
• How many deaths could be avoided from injuries in England and Wales in 2013?

  35 deaths per 100,000 of the population.
• How many deaths could be avoided from respiratory diseases in England and Wales in 2013?

  23 deaths per 100,000 of the population.
• What does the stacked bar chart represent?

  The stacked bar chart shows proportions of cases of cancer connected with the Human papilloma virus (HPV).
• How do histograms differ from bar charts?

  Histograms show how frequently data occurs within certain ranges.
• What is the independent variable in a histogram?

  The independent variable is the variable that is changed to investigate its effect on the dependent variable.
• What is a key fact about the bars of a histogram?

  The bars of a histogram are next to each other, and the area of each bar is proportional to the frequency of each class interval.
• How does the histogram in the study material represent age and depression?

  The histogram shows different groups within the variable of age, allowing the data to be visually comparable.
• What are the key components of data analysis mentioned in the study material?

  • Collection and interpretation of data
  • Drawing graphs
  • Displaying data trends
• What are the types of graphs mentioned for displaying data?

  • Bar charts
  • Histograms
  • Line graphs
• What are the sources cited in the study material for data on deaths?

  • Office of National Statistics
  • Centers for Disease Control and Prevention
  • Information Services Division Scotland (NHS Scotland)