Conducting a z-Test Psychological Statistics Module 2: Assignment 2 Argosy University Gemini Dickerson 3/12/14 A film was shown to 36 students to see if the attitudes of students toward the mentally ill would change. The results of the class of 36 that watched the film had a score of 70. The results of the class that did not watch the film had a score of 75. The standard deviation is 12. When the alpha is set to 0.05. .05 is a mid-probability. It means we’re using to reduce the likelihood
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FMBA SQA Final Exam Prof. Kihoon Kim Oct. 10‚ 2012 F-MBA SQA Final Exam Problem 1 2 3 4 5 Total Points 10 10 10 20 10 60 Score Exam Rules A. B. C. D. The exam is open-book and open-note. You can use only a calculator during the exam; but you cannot use a laptop. You are NOT allowed to discuss any issues with students in the class during the exam. Any kind of cheating during the exam will result in zero score with possibly further penalties by Korea University Business School. I acknowledge
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= (-3.5)/1.6396 = -2.1347 Critical Value: Zα/2= Z0.05/2= @qnorm(1-0.05/2)= 1.96 When comparing the test statistic to the critical value: Z=2.1347>1.96‚ we reject the null hypothesis. We can calculate the P-value using the EViews command: Show @tdist (t‚ d.f) In this EViews command‚ t stands for the appropriate test statistic and d.f are the degrees of freedom. The appropriate test statistic was calculated above‚ namely Z=2.1347. For the degrees of freedom‚ we can insert NA+NB-2. Show @tdist
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MM207 Final Project Name: Eddie S. Jackson 1. Using the MM207 Student Data Set: a) What is the correlation between student cumulative GPA and the number of hours spent on school work each week? Be sure to include the computations or StatCrunch output to support your answer. My answer : 0.27817234 (from StatCrunch): Correlation between Q10 What is your cumulative Grade Point Average at Kaplan University? and Q11 How many hours do you spend on school work each week? is: 0.27817234 b)
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1. STAT10T 7.2.1-2 (Points: 5.0) Solve the problem. Find the critical value zα/2 that corresponds to a degree of confidence of 91%. a. 1.645 b. 1.75 c. 1.34 d. 1.70 2. STAT10T 7.2.3-2 (Points: 5.0) Solve the problem. The following confidence interval is obtained for a population proportion‚ p: 0.817 < p < 0.855 Use these confidence interval limits to find the point estimate‚ . a. 0.833 b. 0.817 c. 0.839 d. 0.836 3. STAT10T 7.2.4-3 (Points: 5
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CST 232 Final Test Review Chaps. 5‚ 6‚ 7‚ 10‚ 11 Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. ____ are stored as header information with each folder and file‚ along with other characteristics including volume label‚ designation as a subfolder‚ date of creation‚ and time of creation. a. Attributes c. UNCs b. DFS paths d. EFS keys ____ 2. The ____ attribute is checked to indicate that the folder or file needs to be backed up
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On Asymptotic Distribution Of Likelihood Ratio Test Statistic When Parameters Lie On The Boundary A Project Submitted To The Department Of Statistics University Of Kalyani‚ For Fulfillment Of M.SC 4th Semester Degree In Statistics. Submitted by Suvo Chatterjee Under the supervision of Dr. Sisir Kr. Samanta
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True/False Questions 1. The standard deviation of any normal random variable is always equal to one. Answer: False Type: Concept Difficulty: Easy 2. For any normal random variable‚ the probability that the random variable will equal one is always zero. Answer: True Type: Concept Difficulty: Medium 3. The graph of a standard normal random variable is always symmetric. Answer: True Type: Concept Difficulty: Easy 4. The formula will convert any normal
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What is required to be successful in business? 1. Market yourself 2. Sell yourself 3. Know people 4. Maintain contacts Traits to be successful: 1. Creative 2. Aggressive 3. Enthusiastic 4. Smart 5. Honesty In 2003‚ WSJ conducted a survey to interview graduating students from IVY League schools. The top four qualities looked for in MBA students: 1. Interpersonal and communication skills 2. Teamwork 3. Honesty 4. Expertise / core competency Allan Moragan’s concept of “Likeability”
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Gas Prices Nathaniel Peters BUS 308: Statistics for Managers Instructor: Ali Choudhry August 8‚ 2011 Gas Prices Delivery service is a way of life. Each day‚ people get packages sent to them by way of this service. But few people think of the costs the delivery company has to deal with. One of the main operating costs that we as a delivery company have is gasoline. We use gasoline daily in massive quantities. The cost of gas affects American’s daily‚ and people can be heard complaining about
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