Final answer:
In Excel, to create black data points on a scatterplot, you generally adjust settings in one place by formatting the data series and changing the marker color to black.
Step-by-step explanation:
When creating a scatterplot in Excel, if you want to adjust the settings to create black data points, you typically need to change the settings in one place.
After creating a scatterplot, you can format the data points by right-clicking on them and selecting 'Format Data Series.' From there, you can go to the 'Fill & Line' options and select black as the fill color for the marker options.