Question 42 / 187:  The College Board reported that the average number of freshman class applications to public colleges and universities was 6,000. During a recent application enrollment period, a sample of 32 colleges and universities showed that the sample mean number of freshman class applications was 5,812. Assume the population standard deviation was known and was equal to 565. Use this information to form a null hypothesis to determine if the data indicate a change in the mean number of applications. Which of the following accurately represents the null hypothesis of that test?
A  $$ H_0: \mu \leq 6000 $$
B  $$ H_0: \mu \geq 6000 $$
C  $$ H_0: \mu \neq 6000 $$
D  $$ H_0: \mu = 6000 $$
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Business Statistics

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Attribution:  David T. Bourgeois, PhD; Bharatendra K. Rai, PhD. Business Statistics. The Saylor Academy 2014, http://www.saylor.org/courses/bus204/
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