In preparing categorical variables for analysis, it is usually best to a. combine as many categories as possible. b. convert the categories to numeric representations. c. let them remain categorical.

In the given question the correct option is missing, which can be described as follows:

"It transforms binary, null variables into the groups."

Explanation:

These variables are real variables, which could also take up a series of variables, that are either constrained or defined. This can be regarded as a listing. It is used to analyze and convert it, into binary in the following ways, and wrong choices can be described as follows:

the printer can be used in a both wired and wireless network, only one of the connection methods can be used at one time when the wireless setting is enabled, the wired (ethernet) setting is disabled.

but first you need to

`connect the cord to your computer

`open settings app from the start menu

`click devices

`than click add printer or scanner

and than you should be able to do it from there, if not let me know i can you! : )