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Unformatted text preview: Do not write below this line Total points on quiz 210 Total points missed Percent correct Curved score Print first 5 letter of your last name – CAPITAL LETTERS (left justify) Î Î Î Î OSU E-mail identifier number (right justify) Î Î Î Î Last Name (printed) Î Î Î Î First Name (printed) Î Î Î Î Business Management 330 Sample Exam #2B A countdown timer will be projected on the screen in the front of the classroom during the exam. • You have 90 minutes to complete this exam. • No “time checks” will be verbally given by the instructor during the exam. • When the 90 minutes are complete, all writing will cease. • Any clarifications and/or corrections of exam questions will be posted beneath the countdown clock. Questions / Answers • Please read each question carefully and directly answer the question that is asked. • Place the answer to the question asked in the box provided. • Points will be deducted for equations or anything other than the answer in the box. • Points will not be awarded for answers not placed in the box. • The maximum number of decimal places is in brackets within the answer boxes where appropriate. Calculators • There are no extra batteries or extra calculators to lend to the students during the exam. • No instruction on the use of the calculator or its functions will be given during the exam. • No sharing of calculators is permitted. The use of cell phones, PDAs, and iPods (MP3 players) during the exam are prohibited! No communication of any kind (verbal, non-verbal, written, electronic, etc.) is permitted during the course of the exam. I have read the exam instructions above and understand that any violation of these and other exam rules in the Student Code of Conduct will result in a suspected case of academic misconduct. Signature: _____________________________________________________________ Date: __________________ Do not write below this line Sample Exam #2B 2 1. [12 Points – 3 points for each box] Consider the following hypothesis test: H o : μ > 5 H 1 : μ < 5 n = 42 X = 2 σ = 12 α = 0.05 a. What is the appropriate test statistic (“Z” or “t”)? If the appropriate test statistic is “t”, also indicate the degrees of freedom. b. What are the value(s) of the critical statistic?...
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- Spring '12
- Null hypothesis, Statistical hypothesis testing, decimal places