If we multiply a set of data by a constant, such as converting feet to inches, we will
a. leave the mean and variance unaffected.
b. multiply the mean and the standard deviation by the constant.
c. multiply the mean by the constant but leave the standard deviation unchanged.
d. leave the mean unchanged but alter the standard deviation.
B
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A presynaptic terminal is also known as ____
a. an end bulb b. a node of Ranvier c. myelin d. a spine
Concrete operational children are less ____________________ than younger children
Fill in the blank(s) with correct word
A single-blind experiment would most likely be used to minimize the
a. researcher bias. b. correlation versus causation problems. c. problem of obtaining a representative sample. d. research participant bias.
Of the following, the least valid as an approach to determining personality characteristics is
probably A) graphology. B) physiognomy. C) phrenology. D) somatotypology.