# Test3 - Math 300 – Test 3 – Chapters 8& 10 Printed...

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Unformatted text preview: Math 300 – Test 3 – Chapters 8 & 10 Printed Name: Calculators are allowed on this test...neighbors are not ! Round answers (where appropriate) to 4 places after the decimal. Grade of 100 1 Full-time Ph.D. students receive an average salary of \$12,837 according to the U.S. Department of Education. the dean of graduate studies at a large state university feels that Ph.D. students in his state earn more than this. He surveys 44 randomly selected students and finds their average salary is \$14,445, and the sample standard deviation is \$1,500. With α = 0 . 04, is the dean correct? A 5 pts State the Hypotheses H : H 1 : ............................................................................................................................ B 5 pts Sketch the Rejection Region(s). Label the Critical Value(s). ............................................................................................................................ C 5 pts Test Statistic (round to 3 places after the decimal) ............................................................................................................................ D 5 pts Decision Reject H Fail to Reject H Accept H ...............................................................................................................................
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## This note was uploaded on 01/16/2012 for the course MATH 300 taught by Professor Keithemmert during the Spring '11 term at Tarleton.

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Test3 - Math 300 – Test 3 – Chapters 8& 10 Printed...

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