Multiple Choice
An articles states that a sample of 40 participants took 12 ± 2.3 (M ± SEM) seconds to complete a cognitive assessment.Which value is the standard error of the mean?
A) 40
B) 12
C) 2.3
D) The standard error of the mean is not reported in the article
Correct Answer:

Verified
Correct Answer:
Verified
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