Alison retrieved data from a company database containing personal information on customers. When she looks at the SSN field, she sees values that look like this: "XXX-XX-9142." What has happened to these records?

Answer:

Explanation:

MATLAB is a programming language and software platform for numerical computing, data analysis, and visualization. To use MATLAB, you can perform the following steps:

• Start the MATLAB software: To start MATLAB, double-click the MATLAB icon on your computer or launch it from the Start menu.
• Write and run code: To write and run code in MATLAB, you can use the MATLAB command window or create a script or function. In the command window, you can type commands and immediately see the results. In a script or function, you can write a series of commands that are saved in a file and can be run later.
• Plot data: MATLAB provides many functions for plotting and visualizing data, including line plots, scatter plots, histograms, and 3D plots. You can use these functions to visualize and analyze your data.
• Use built-in functions: MATLAB provides many built-in functions for solving mathematical problems, including linear algebra, optimization, and statistics. You can use these functions to perform complex computations and analysis.
• Import and export data: MATLAB provides functions for importing and exporting data from and to various file formats, including CSV, Excel, and MAT-files. You can use these functions to read data from external sources and save results in a format that can be easily shared with others.

These are just a few of the many ways to use MATLAB. Whether you're a beginner or an advanced user, MATLAB provides a wide range of capabilities for numerical computing, data analysis, and visualization.

Example:

Here's a simple example of how to use MATLAB to plot a sine wave:

% Define the x-axis values

x = 0:0.1:10;

% Calculate the sine values

y = sin(x);

% Plot the sine wave

plot(x,y)

% Label the axes

xlabel('x (radians)')

ylabel('sin(x)')

% Add a title to the plot

title('Sine Wave Plot')

This code defines the x-axis values from 0 to 10 with increments of 0.1. It then calculates the sine values for each x value using the sin() function. The plot() function is used to create a line plot of the sine wave, with x values on the x-axis and y values on the y-axis. The xlabel() and ylabel() functions are used to label the x and y axes, respectively, and the title() function is used to add a title to the plot.

This is a very simple example, but it demonstrates the basic steps involved in using MATLAB to plot data. Whether you're working with simple plots or complex computations, MATLAB provides a powerful platform for data analysis and visualization.

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Images or graphics have two key qualities which can impact the nature of the overall presentation or document they form part of:

• Size and
• Quality

The size of an image or graphics can be in terms of area (measurable in inches or centimeters) or pixels.

In either case, you don't want to have an image so large it takes up all the space on the page with little or no space for text and other items. This can hurt the document.

When documents have images with very large pixels, the overall size (in bytes) of the image becomes very large and sometimes difficult to open, upload, and transfer (subject to the speed or computing power of the computer being used to process it).

One feature of Microsoft Word which helps to optimize images is the Image Compression Tool.

For more about Microsoft Word and images, please see the following link:

brainly.com/question/14814976

Answer:

When images or graphics excessively occupy most of the space on the page.

Explanation:

For example, if you observed the attached image you'll see a bad example in which the image excessively occupies most of the space on the page making the written text difficult to read.

Next, a good example of proper editing is found in the next image, which shows the written text properly aligned with the text.