EXCEL DATA: Exercise: Clean and consolidate a contact list

This video tutorial guides viewers through the process of cleaning and consolidating a contact list, focusing on handling messy data such as duplicates and inconsistent formatting. It provides practical steps for formatting phone numbers and emphasizes the importance of making data easily interpretable. The tutorial concludes by preparing viewers for more advanced tasks like logical functions, equipping them with skills applicable to real-world scenarios like customer engagement and event planning.

What is the primary goal of cleaning and consolidating a contact list?

• To ensure data is unique and consistent

• To increase the size of the contact list

• To remove all contact information

• To make the data visually appealing

Which of the following is NOT mentioned as a data issue in the transcript?

• Duplicate entries

• Inconsistent phone numbers

• Inconsistent capitalization

• Missing contact IDs

What is a suggested method for formatting phone numbers?

• Manually typing each number

• Using a special category for phone numbers

• Ignoring the format

• Using a custom format with slashes

Why is it important to clean up data before using it?

• To make it harder to read

• To make it easier to delete

• To ensure it is usable and informative

• To reduce the file size

What real-world tasks does this exercise prepare you for?

• Graphic design

• Customer engagement and event planning

• Software development

• Financial auditing