Answer: d) null
To test whether a true difference exists between two group percentages, we test the __________ hypothesis.
a) z
b) t
c) z or t hypothesis; it does not matter
d) null
Business
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Indicate whether the statement is true or false.
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An SLA for speed should specify a ________
A) maximum speed B) minimum speed C) both A and B D) neither A nor B
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