A test of hypothesis was performed to determine if the true proportion of college students who preferred a particular brand of soda differs from .50. The ASP printout is supplied below. Note: All data refer to the proportion of students who preferred the brand of soda.
HYPOTHESIS: PROPORTION X = x
State the proper conclusion if the test was conducted at
α = .10.
◦ There is insufficient evidence to indicate the true proportion of college students who prefer the brand of soda differs from .50.
◦ There is insufficient evidence to indicate the true proportion of college students who prefer the brand of soda is less than .50.
◦ There is sufficient evidence to indicate the true proportion of college students who prefer the brand of soda is less than .50.
◦ There is sufficient evidence to indicate the true proportion of college students who prefer the brand of soda differs from .50.
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A Hypothesis Can Lead to a Scientific Consensus
An example of continuous variation: biology students organized according to height.