Respuesta :
In order to change the bounds of  a chart axis after performing the aforementioned series of clicks, at step X: C. Type the number that you want in the text box.
A step chart can be defined as a line chart that uses both the vertical and horizontal lines to connect two (2) data points. Thus, it enables an end user to see the exact point on the X-axis when there is a change in the Y-axis.
In Microsoft Excel, the series of clicks that are used to change the bounds of  a chart axis are:
- Click on chart.
- Select chart tools and then format tab.
- Select the current selection and then format selection.
- Click on format axis and then axis options.
- Click on vertical axis crosses.
- At category number, you should type the number that you want in the text box.
In conclusion, typing the number that you want in the text box is the action that should be performed at step X.
Read more on step chart here: https://brainly.com/question/9737411