6.1 Vegetarian college students:  Suppose that 8% of college students are vegetarians. Determine if the following statements are true or false, and explain your reasoning.   (d) A random sample of 250 college students where 12% are vegetarians would be considered unusual. ( ) true ( ) false (e) The standard error would be reduced by one-half if we increased the sample size from 125 to 250. ( ) true ( ) false

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.