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6. What is a positive of using a census

  • Gives lots of data
  • Expensive
  • Takes a lot of time
  • Might not recieve all of the answers back

7. You need to find the frequency density to draw a histogram

  • True
  • False

8. If Spearman's Rank shows -0.98, what does this represent?

  • Weak negative correlation
  • Strong negative correlation
  • Weak positive correlation
  • Strong positive correlation
  • No correlation

9. What is wrong with the following? 'How many times a week do you recycle at a supermarket?'

  • Biased
  • Too long
  • Doesn

10. How do you calculate outliers?

  • IQR*0.5
  • IQR*0.25
  • IQR*1.5
  • IQR*3.25
  • IQR*2.5