The Average Cost of Tuition Plus Room and Board for a Small

question 12

Multiple Choice

The average cost of tuition plus room and board for a small private liberal arts college is reported to be $8,500 per term,but a financial administrator believes that the average cost is higher. A study conducted using 350 small liberal arts colleges showed that the average cost per term is $8,745. The population standard deviation is $1,200. Let α = 0.05. What is the critical z-value for this test?

• A)+1.960
• B)−1.960
• C)+1.645
• D)−1.645

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