Level 2 Lesson 1 Quiz

What is the main purpose of the Wonder phase in the WISDOM data analysis process? Choose one.

Which of the following are common mental traps that can influence your thinking during analysis?
Select all that apply.

Fill in the blank:

Which type of hypothesis is most appropriate when drawing conclusions from a sample rather than a full population?
Choose one.

Which of the following reflects a good example of minimizing availability bias? Choose one. 

Why is “survivorship bias” problematic in data analysis?
Choose one.

Which of the following best describes what it means for data to be “relevant”?
Choose one.

True or False? A good question for data analysis should be grounded in the real-world context in which the data was generated.

Match the type of statistical hypothesis with the statement that best describes it.

How can Generative AI tools be responsibly used during the early stages of a data project, prior to data preparation or analysis? Select all that apply.

Match the type of hypothesis with the example that best illustrates it:

Which of the following should you do before deciding if a dataset is useful for your question?
Select all that apply.

Fill in the blank:

To choose only specific columns like product_name and total_sales from a table called sales_data, which SQL keyword should go at the start of the query?

Fill in the blank:

To filter rows in the sales_data table so that only sales greater than $1000 are included, which SQL keyword should complete the query?

Fill in the blank:

To filter the products table to include only items from specific categories, which SQL keyword should go in the blank?