Where I can find customers data?

Quiz Kit allows you to check the customers' answers to all the quiz questions. This enables the ability to analyze the data for future recommendations. 

In order to check the Customers analytics, go to "Analytics" > "Metrics"  in the Shopify admin panel:

The first thing you will notice once you land on the Metrics data page is the dropdown option with all your created quizzes and a date picker:

Choose the quiz from the dropdown and set the desired date range:

Once you choose the quiz, you'll notice the full analytics: revenue generated, quiz sessions, quiz completions, emails collected, number of products added to cart, the most viewed products, the three most frequently selected answers for every question in the dropdowns, most abandonment questions, conversion rate.

In order to see the submissions table, go to  "Analytics" > "Submissions"  in the Shopify admin panel:

The submissions table includes the customer email, all the quiz questions with the customer answers, and the recommended product(s) based on the customer's answers. Each question is broken up into a separate view:

If you want to download the table with customer answers just click on the "Export" button and the *.xlsx file will be downloaded: