Is this data model in third normal form?

Here is the answer of the question: Suppose you’re a data analyst and you’re traveling to a conference. There’s a straightforward but critical ad-hoc analysis you need to accomplish, but…

Here is the answer of the question: Select a source that best describes where the following data might come from: The average age of customers in Madison, Wisconsin   Billing…

Here is the answer of the question: What should you consider as you approach an analytical problem and in which order? Identify correct order for the following ideas / steps….

Here is the answer of the question: For the next 5 questions that describe types of metrics, select a source that best describes where the following data might come from:…

Here is the answer of the question: Select a source that best describes where the following data might come from: The dollar amount of unpaid invoices at the end of…

Here is the answer of the question: Suppose you are a data analyst working on a project to show why sales in a particular region are down relative to other…