FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -A line graph reveals trends or progress over time and you can use it to show many different categories of data. You should use it when you chart a continuous data set.

Detailed explanation-2: -A horizontal grouped bar chart is a variant of a bar graph in which multiple data categories are compared and a particular color is used to denote a definite series across all data categories represented. It is also known as a clustered bar graph or a multi-set bar chart.

Detailed explanation-3: -A grouped bar chart (aka clustered bar chart, multi-series bar chart) extends the bar chart, plotting numeric values for levels of two categorical variables instead of one. Bars are grouped by position for levels of one categorical variable, with color indicating the secondary category level within each group.

Detailed explanation-4: -Line charts are the most effective chart for displaying time-series data. They can handle a ton of data points and multiple data series, and everyone knows how to read them.

Detailed explanation-5: -Bar charts make sense for categorical or nominal data, since they are measured on a scale with specific possible values.