A Researcher Has Two Percentages and Wants to Know If

question 13

Multiple Choice

A researcher has two percentages and wants to know if the percentages are statistically different.The researcher calculates the z value and finds that it is 4.21.This means that the two percentages:

• A)Are the same.
• B)Are not statistically different.
• C)Have a 421 percent chance of not being different.
• D)Are statistically different.

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