Increasing the confidence-interval level from .95 to .99
a. increases the likelihood of including the population mean within its limits
b. decreases the likelihood of including the population mean within its limits
c. increases the number of degrees of freedom
d. none of these, since a confidence interval may never include the true population mean
a
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Recently, suicide has risen among __________; the current rate approaches that of __________
A) African-American females; African-American males B) African-American males; Caucasian-American males C) Native-American males; Hispanic males D) Hispanic males; Hispanic females
A neuroscientist removes the eyes of a frog to determine if the frog will still respond to light and dark in the environment. This experiment would be an example of:
a. generalization. b. reductionism. c. separatism. d. validity.