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1. You are interested in the average annual salary of American public health professionals. So, you took a random sample and found that the mean annual salary is $53,145. Suppose you knew from previous...

2. Over the past five years, the public health graduates’ mean GPA is 2.75. The chair is interested in finding out whether graduates this year have made any significant improvement in GPA. So, she...

The office of Student health at a local college decides to take a survey to better understand the students' mental health needs and whether the college has met such needs. Given limited time and resources,...

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