We have two percentages and we want to know if they are statistically different. We calculate our z and find that it is 4.21. This means:
A) the two percentages are the same
B) the two percentages are not statistically different
C) the two percentages have a 421 percent chance of not being different
D) the two percentage are statistically different
E) the two percentages have a 421 percent chance of being different
Correct Answer:
Verified
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