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A Researcher Asked 26 Extroverts and 36 Introverts How Happy

Question 50

Multiple Choice

A researcher asked 26 extroverts and 36 introverts how happy they were.The results are shown in the graph below.The A researcher asked 26 extroverts and 36 introverts how happy they were.The results are shown in the graph below.The = 2.96.Calculate the strength of the relationship using the squared Point-Biserial Correlation Coefficient. A) <font face= symbol ></font>0.13 B) +0.13 C) <font face= symbol ></font>0.36 D) +0.36 = 2.96.Calculate the strength of the relationship using the squared Point-Biserial Correlation Coefficient.


A) 0.13
B) +0.13
C) 0.36
D) +0.36

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