Andy Measured the Size of Each of His Friends' Heads

question 154

Multiple Choice

Andy measured the size of each of his friends' heads and also asked them for their SAT scores,in order to determine whether a relationship existed between head size and intelligence.His computed correlation coefficient was .00.What should Andy conclude?

• A) As head size increases, intelligence increases.
• B) As head size increases, intelligence decreases.
• C) There is no relationship between head size and intelligence.
• D) A small head causes a lowered level of intelligence.

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