Answer:
1. You can invoke or call a method from another program or method: TRUE
2. When methods must share data, you can pass the data into and return the data out of methods: TRUE
3. A method could be called using any numeric value as an argument, whether it is a variable, a named constant, or a literal constant: TRUE
Explanation:
William had to manually edit the data if he wants to remove the null values and incorrect column headers.
<h3>What is data editing?</h3>
Data editing is known to be a term that connote the act of making changes, reviewing or adjustment some survey data.
Note that by editing one can remove want one do not want from a group of data and as such, William had to manually edit the data if he wants to remove the null values and incorrect column headers.
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