We Have Two Percentages and We Want to Know If

question 49

Multiple Choice

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 at a 95% level of confidence. 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.

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