16 Graphs and charts (3)

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1.

You are creating a report on the population of a city. The population data is stored in a text file. The data is formatted as follows:

  23456789.12345
  123456789.98765
  98765432.10123
  
Describe how you would use a text editor (like Notepad++ or Sublime Text) to format these numbers to display only two decimal places. Include the specific steps and any relevant features of the text editor you would use.
2.

You are creating a line graph to show the temperature changes over a 24-hour period. The graph currently uses a single solid colour for the line. Describe two different ways you could enhance the appearance of the line graph, including details about the colour scheme or fill patterns you would use. Explain why each enhancement would be beneficial to the clarity and understanding of the graph.

3.

A researcher is comparing the average test scores of three different teaching methods – Method A, Method B, and Method C. The results are:

MethodAverage Score
Method A75
Method B82
Method C79

Which graph type would be most appropriate to compare these average scores? Justify your answer.