Skip to content
MathsGenie logo
Open app

Course home

  1. A Level
  2. Maths CCEA
  3. Question bank

Regression, Correlation and Hypothesis Testing

EasyMedium
1234
Question 4

An oceanographer, Dr. Aris, is investigating the linear relationship between seawater salinity levels SSS and dissolved oxygen concentration DDD across 18 hydrothermal vent samples. After performing her calculations, she determines the product moment correlation coefficient (PMCC) for the dataset.

Which of the following statements best describes her calculated result of −1.42-1.42−1.42?

  • Definitely incorrect
  • Probably incorrect
  • Probably correct
  • Definitely correct
[2]

Regression, Correlation and Hypothesis Testing Questions

  1. A Level
  2. /Maths
  3. /Regression, Correlation and Hypothesis Testing