A one-tailed test (lower tail) at a .063 level of significance
has a z value of _____.
a. –1.86
b. –1.53
c. –1.96
d. –1.645
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A one-tailed test (lower tail) at a .063 level of significance has a z value of _____. a. –1.86 b. –1.53 c. –1.96 d. –1.
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