Changing the alpha level from .05 to .01 would
a. decrease the risk of a type I and a type II error.
b. increase the risk of a type I and a type II error.
c. decrease the risk of a type I error and increase the risk of a type II error.
d. increase the risk of a type I error and decrease the risk of a type II error.
C
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Two sources of systematic between-groups variation are
A) experimental and extraneous variance. B) sampling deviation and experimental variance. C) sampling deviation and extraneous variance. D) control variance and standard variance.
________ is an economic system in which the individuals and firms, rather than the government, have rights to make all decisions about buying and selling private property such as land, stock, commodities, or productive industries
A. Command economy B. Public ownership C. Free market D. Planned economy E. Interventionist state