Multiple Choice
A random sample of 25 third graders scored an average of 3.4 on a standardized reading test. The standard deviation was 0.95. A test is conducted to determine if the mean score is significantly higher than 3. What is the effect size of this test?
A) 0.42
B) 2.11
C) 3.16
D) None of the above
Correct Answer:

Verified
Correct Answer:
Verified
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