The graph shows that the more one studies ... A combination chart in Excel blends two or more chart types, such as a column and line chart, into a single visual. Its ideal for comparing datasets ...

Different types of graphs and charts are needed to ... the length of time the candle stays alight. Presenter 1: Use a line graph when both variables use numbers and they are continuous.

Sometimes these points are arranged in a pattern. A scatter graph could be used to show how literacy is related to GDP. A line of best fit helps to show correlations, or patterns within the data.