The "x-axis" usually refers to the horizontal axis. In Excel, that would be relevant for graphs created with Excel.
Category axis.
the horizontal axis for chart is called X-axis.
It is the horizontal line at the bottom of the chart.
All you do is select it and press "B" for Bold
On a chart created in Excel, the vertical axis is also called the y-axis. It typically represents the values or measurements of the data being plotted. The horizontal axis, or x-axis, complements it by showing the categories or intervals for the data. Together, these axes help in visualizing the relationship between different data points.
Category axis.
The independent variable is on the horizontal axis.
I tried creating a graph in Excel, but the x-axis always sets to the row number automatically. How do I change it?
the horizontal axis for chart is called X-axis.
The horizantal lines
Category or Time-Scale.
It is the horizontal line at the bottom of the chart.
the y axis in excel is also known as the value axis
All you do is select it and press "B" for Bold
No, it's the horizontal axis (x-axis).
On a graph the x axis is the one going across the screen, the horizontal axis, and the y axis is going up or down, the vertical axis. A very simple way of remember is to think that the letter x looks like a cross. The letter x is a cross, and the x axis goes across the screen.
The horizontal axis is the one going across the bottom of a chart. It can be the X axis in some kinds of charts or the category axis in other kinds of charts.