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Session 6 Quiz

Test What You Learned!

8 questions about Session 6: Working With Real Data. Get 6+ right to pass!

How it works:

Progress

1

Where can you find real-world data?

  • Only in textbooks
  • Government websites, sports databases, science organizations, and curated data sites
  • Only teachers have real data
  • Real data does not exist online
2

What should you do FIRST when you get a real dataset?

  • Start analyzing immediately
  • Read the column headers to understand what each column measures
  • Count all the numbers
  • Print it out
3

How is real data different from textbook data?

  • It is exactly the same
  • It is bigger, messier, and may have missing values
  • Real data is always perfect
  • Real data is smaller
4

What is filtering data?

  • Deleting data you do not like
  • Showing only the rows that match certain criteria
  • Making data look better
  • Sorting alphabetically
5

What should you do when data contradicts your expectations?

  • Change the data to match your expectations
  • Trust the data, check for errors, and reconsider your assumptions
  • Ignore the data
  • Ask someone else to analyze it
6

What is missing data?

  • Data that was stolen
  • Gaps in a dataset where information was not recorded
  • Data that is wrong
  • Extra data you do not need
7

Why are data surprises valuable?

  • They are not — surprises mean mistakes
  • They often lead to the most important discoveries and new questions
  • Surprises only happen with bad data
  • They make reports more exciting
8

How do you know if your analysis of real data is correct?

  • If it matches what you expected
  • Check calculations, verify against the source, and see if the answer makes logical sense
  • If it looks nice on a graph
  • You cannot verify real data