Which of the following statements cannot be true for a distribution of scores?
a. No one has a score exactly equal to the mean.
b. No one has a score exactly equal to the median.
c. No one has a score exactly equal to the mode.
d. All of the other options are false statements.
C
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Of the following, the correlation coefficient that indicates the strongest relationship between the two variables being measured is
a. +0.65. b. -0.89. c. 0.00. d. +3.45.
Abnormalities in muscle fiber proteins characterize a. myasthenia gravis
b. muscular dystrophy. c. Parkinson's disease. d. Huntington's disease.
Bilingual children have been found to display
a. a greater metalinguistic awareness than monolingual children have. b. a weaker metalinguistic awareness than monolingual children have. c. a metalinguistic awareness equal to that of monolingual children. d. a greater metalinguistic awareness than monolingual adults have.
The neurochemical ACh is synthesized from
A. acetyl coenzyme A (acetyl CoA), usually found in dietary fats, and choline, a substance formed by the actions of mitochondria within cells. B. choline from dietary fats and acetyl CoA, both of which are acted on by choline acetyltransferase (ChAT) to produce ACh. C. the amino acid tyrosine, synthesized from the phenylalanine found in foods. D. tryptophan, an amino acid found in chocolate, milk, and poultry.