There is a strong correlation between verbal SAT scores and ...

[theo]

There is a strong correlation between verbal SAT scores and college GPAs. This does not mean however, that higher SAT scores cause higher grades in college. But what could explain this relationship?
 a. The confounding variable gender.
  b. The high (low) SAT scores and high (low) GPAs both result from a common cause.
  c. Both SAT scores and GPAs change over time.
  d. The relationship is purely coincidental.

Question 2

Which of the following is a confounding variable for the relationship between happiness and length of life?
 a. Happiness level
  b. Length of life
  c. Emotional support
  d. Age at death

[Bsand8]

Answer to Question 1

B

Answer to Question 2

C

[theo]

Thanks

[Bsand8]

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