If both variables increase at the same time, they have a positive relationship. If one variable decreases while the other increases, they have a negative relationship. Sometimes the variables don't follow any pattern and have no relationship.
Fun Graphing Exercise! When to Use. Close Window. A Line Graph is most frequently used to show trends and analyse how the data has changed over time.
A histogram is a bar graph-like representation of data that buckets a range of outcomes into columns along the x-axis. The y-axis represents the number count or percentage of occurrences in the data for each column and can be used to visualize data distributions. Graphs can give a distorted image of the data. They use special shapes to illustrate different parts of the process, and they typically include a legend to explain what each shape means.
A pie chart presents the different parts of a whole. It looks like a circle divided into many pieces, much like a pie cut into slices. The pieces are different sizes based on how much of the whole they represent. Each piece usually has a label to represent its value compared to the whole. Professionals can use pie charts in business presentations to demonstrate population segments, market research responses and budget allocations.
Gantt charts illustrate project schedules. The horizontal axis represents the timeframe for the project in days, weeks, months or years. The chart displays each project task as a bar on the vertical axis. The length of the bar depends on the start and end date of the task, but sometimes there is also a vertical line for the current date. Project managers use Gantt charts to monitor the progress and completion status of each task.
Waterfall charts reflect variance over time. They demonstrate both the positive and negative impact of different factors on an initial value, such as an opening balance. Waterfall charts are helpful when illustrating financial statements, analyzing profit and loss and comparing earnings. You might use this chart to highlight the budget versus the amount spent. Positive and negative values usually follow a color code to show how the value increases or decreases due to a series of changes over time.
Gauge charts display data as a reading on a dial. They show where a specific data point is within a minimum or maximum range. A needle depicts the value within a scale. Many people use gauge charts to illustrate speed, revenue goals and temperatures.
Funnel charts illustrate how values progress through different stages. They are widest at the top and narrowest at the bottom. Funnel charts are especially helpful when tracking a sales process. They also work well to depict website traffic, including the number of visitors to a site, the pages viewed and downloads made. A bullet chart can help you measure the performance of a specific goal or target. Some bullet charts, such as those that demonstrate profits, have high targets.
Others have low targets, including those that display expenses. People often use bullet charts in dashboards to illustrate the progress of key performance indicators KPIs. A bullet chart is similar to a bar graph and consists of three parts:. Find jobs. Company reviews.
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