SP-exam2. Ver C

SP-exam2. Ver C - COURSE: MSCI 3710 EXAM 2 Version C...

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COURSE: MSCI 3710 Print Name: EXAM 2 Signature: Version C S.S.#: SEMESTER: Spring 2000 Section Number: Note: Whenever question(s) are connected you may be asked to assume a result (given a value) from the previous question but this result may or may not be correct. This is to prevent you from losing points on a second question because you made a mistake on a previous question. The following information pertains to the next five questions (1-5). Instructions: n Please print your name, social security number, and section number on this exam. Also, put your signature on this exam. P On your scantron PRINT your name, your version, and your section number. To better protect your privacy also print your name on the backside of your scantron. P You have 50 minutes to complete this exam. The exam is open book, open notes, and open mind. You may use any type of calculator but please show all your work on the exam and mark all answers on the scantron. P Many of the questions follow the format of those in Adventures in Business Statistics. The remaining questions are either based on the Excel assignment or use an Adventures-like approach with problems nearly identical to those assigned in the textbook. P When you have completed the exam, please insert your scantron into the exam booklet and turn them in to your instructor. P No cheating. P Good luck and we wish you well on the exam. 1
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difference in the proportion of defective parts produced on different days of the workweek. Random samples of 100 parts produced on each day of the week were selected with the following results: RESULT MON TUES WED THURS FRI Number of defective parts 12 7 7 10 14 Number of acceptable parts 88 93 93 90 86 Total 100 100 100 100 100 Observed Frequencies DAY RESULT MON TUES WED THURS FRI Total Defective 12 7 *** 10 14 50 Acceptable 88 93 93 90 86 450 Total 100 100 100 100 100 500 Expected Frequencies DAY RESULT MON TUES WED THURS FRI Total Defective 10 10 10 10 10 50 Acceptable 90 90 *** 90 90 *** Total 100 100 100 100 100 *** Level of Significance 0.05 Number of Rows 2 Number of Columns 5 Degrees of Freedom *** Critical Value 7.779434 Chi-Square Test Statistic 4.222222 P-value ******* 1. What is the correct alternative hypothesis? A. Ha: At least one proportion differs *
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SP-exam2. Ver C - COURSE: MSCI 3710 EXAM 2 Version C...

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