A researcher records a sample mean equal to 1.2. If 99.7% of all scores fall between scores 0.6 and 1.8, then using the empirical rule, what is the standard deviation for these data?
A. 1.2
B. 0.6
C. 0.4
D. 0.2
Answer: D
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Assuming the "rubber yardstick" shrinks and expands at random, what can be said about the distribution of scores from the rubber yardstick?
a. It will have a mean of zero (0). b. It will be normal. c. It will have a standard error of zero (0). d. It will be skewed.
The amino acid, glycine, provides a possible co-treatment for schizophrenia because it ____
a. can be chemically converted into dopamine b. increases the effectiveness of glutamate c. decreases the effectiveness of glutamate d. increases the growth and division of glia cells
Negative reinforcement is a type of punishment.
Answer the following statement true (T) or false (F)
Traditional Chinese Medicine (TCM) has the following understanding of health:
a. Eat and drink an equal amounts of hot and cold qualities. b. the way you live your life should have more cold qualities because they include more vegetables. c. Have more yin than yang. d. Have more yang than yin.