Graphs

The x-axis of a graph is always your independent variable and the y-axis is the dependent variable. The independent variable is so called because it can stand alone as data and does not depend on other information to make sense.

First by looking at your data, label the scale and draw bars to given data

Usually the x-axis.

They can cluster anywhere: it depends on what characteristic of what population is being measured.

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The Brandt Line, proposed by former German Chancellor Willy Brandt in 1980, is a conceptual division that separates the world into the wealthy "North" and the poorer "South." It highlights global inequalities in development, with the North representing industrialized nations and the South encompassing developing countries. The line was introduced in the context of the Brandt Report, which aimed to address economic disparities and promote international cooperation for development. Although the line is not a strict geographical boundary, it underscores ongoing issues of global inequality and development challenges.

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When the domain or range of the data are clearly far from the origin, or where the data consist of two separate clusters.

Sometimes it is, other times it is not. If you want to display the favourite fruit of a school class, a continuous line graph would be totally useless.

The change in the y-value over the x-value, the slope, m, (y1-y2)/(x1-x2).

A multiple line-chart.

The main advantage is that it allows you to see how different dependent variables change according to changes in the same "independent" variable.

It is relatively simple to use two vertical axes for the dependent variables, but the degree to which the two axes relate to one another is arbitrary. Furthermore, if the ranges of the dependent variables are very different the chart becomes unreadable.

The rate of change indicates the change in one variable per unit change in a second variable at (or around) that level for the second variable.

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You would not use a graph to determine one person's height at a single point in time.

You could use a line graph to track the height of a person over time.

You could use a histogram to determine the heights of lots of people at one time.

You can graph an equation or an inequality but you cannot graph an expression.

Captions and sidebars are both auxiliary elements in written content that provide additional information or context. Captions typically accompany images, offering explanations or insights, while sidebars present supplementary details, anecdotes, or related information alongside the main text. Both serve to enhance the reader's understanding and engagement with the primary content. Additionally, they can improve the overall structure and organization of the material, making it more visually appealing and informative.

it is easirer to use that beacuse its abetter way and beacuse it is simple

Yes. Otherwise what is represented by the height of each bar?

Either you need each picture to represent a very small frequency which could require the reader to count up lots of images. Or the image represents a larger frequency and the user needs to be able to work out the fraction represented by partial images.

When there is a large number of numbers in a collection of data, it becomesimportantto organize the data in a meaningful way to make analysis easier. ...Organizing data in stem-and-leaf plots, double bar graphs, frequency tables, histograms, line plots, and line graphs makes data easier to understand and to use

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A title, labeled axes (for graphs), markings on the axes (again, for graphs) and units of measurement. You could use any of the above, based on your context