On an exam with ? = 52, you have a score of X = 44 . Which value for the standard deviation would give you the highest position in the class distribution?
a. ? = 2
b. ? = 4
c. ? = 8
d. Cannot determine from the information given
C
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The term statistical significance implies that the results are
A) important. B) extremely meaningful. C) valid. D) not likely due to chance.
Lily is looking to obtain a representative sample of fraternity members for her study. There are 80 fraternities at her university, and she uses a random number generator to help her select 15. She then uses a random number generator to select five members of each fraternity that made her first cut. Which sampling method is Lily using?
A. systematic random sampling B. stratified sampling C. proportionate stratified sampling D. cluster sampling
From a biological perspective, schizophrenia is best conceptualized as what kind of disorder?
A) neurodevelopmental B) cognitive C) unconscious D) inherited
Research by Song and colleagues has suggested that emotional intelligence predicts _____, whereas general cognitive ability predicts _____.
A) social interactions; academic performance. B) academic performance; social interactions. C) performance on speed tests; performance on power tests. D) performance on power tests; performance on speed tests.