08 ETHE AUSTRALIAN NATIONAL UNIVERSITY SCHOOL OF FINANCE AND APPLIED STATISTICS First Semester Examination 2010 QUANTITATIVE RESEARCH METHODS (STAT1008) Writing Period: 3 hours duration Study Period: 15 minutes duration Permitted Material: Non-programmable calculator‚ dictionary and 1 A4 page with notes on both sides Instructions to Candidates: • Attempt ALL questions. • Each question is of equal mark value. • Start your solution to each question on a new page. • To ensure full marks
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An exam consists of 20 multiple-choice questions. Each question has five possible answers and all questions carry equal weight. Mary has not studied for the exam and will be picking her answers at random. What is the probability that Mary will get a score of at least 30% on this exam? n=20‚ p=0.20 P(X≥6) (0.30)(20)=6 Distribution Plot Binomial‚ n=20‚ p=0.2 0.25 Probability 0.20 0.15 0.10 0.05 0.1958 0.00 0 P(X≥6)=0.196 X 6 If 40% is the lowest passing
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Exam 5 Review (Final Exam) Dr. Bentley (Guest Lecture) TwoGether in Texas * Know what Twogether in Texas is * Trying to better marriage and stuff * Communication * Conflict resolution skills * Know the public cost of divorce * 30‚000 Chapter 12 & Lecture * Know the types of resources * Rewards * Punishments * Authority * Respect /love * Expertise * information * Know the difference in how men and women speak
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TEST REVIEW – We will work these problems in class. Data Files for these problems will be disclosed in class during the review. On TEST 3‚ you will be asked to perform hypothesis tests‚ find confidence intervals‚ and conduct regression analyses. Be prepared to also interpret information on any Excel print-outs. Test 3 will be a multiple-choice test. 1. A federal agency responsible for enforcing laws governing weights and measures n=1 routinely inspects packages to determine whether the
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BIRONDO EDUCATION SUPPORT TUTORIAL CENTER MATH IV- CHAPTER 2-1 to 2-3 I. Decide whether the relation is a function. If it is a function‚ state the domain and range. 1. {(-5‚ -2)‚ (-1‚ 1)‚ (3‚ -6)‚ (8‚ 1)} 2. {(2‚ -9)‚ (2‚ -2)‚ (6‚ 8)‚ (8‚ 1)‚ (11‚ -7)} 3. a x 4. b y c z 5. 6. 7. 8. 9. II. FUNCTION NOTATION. Solve the following: 1. f(x) = x3 – x 2– 6x 2. g (x) = a. f(-2) –
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A) A^3 – B^3 (7^3) – (-2^3) 343-(-6859) =7‚202 This is the given expression with VARIABLES A and B and raised to the EXPONENTS of 3 on each of them. By substituting the integers in the variables and raising them to the 3rd power gives the answer of B) (a – b)(a2 + ab + b2) (7-(-19) (7^2+(7)(-19)+(-19^2) (26) (49-133) + 361 (26)(277) =7202 C) ( b-c )/ (2b- a) :-This expression uses all three variables: a‚ b‚ and c. C) (b-c) this equation takes use of all three variables
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20 Questions since exam 2 30 Questions are Cumulative 15 Exam 1 15 Exam 2 * Natural selection * Dogs Decoded * More similar in looking like dogs * Mutations * Most are not beneficial * Stabalizing‚ directional‚ and disruptive selection * Post-zygotic Barrier * Mules are sterile * Population * Same organism that live in the same area * The smallest unit capable of evolving is the population * Similarity of embryos in fish‚ frogs‚ birds
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APUS SCIN137 Final Exam Part 1 of 1 - 100.0 Points Question 1 of 25 4.0 Points Suppose Hurricane Bruno reached land with a sustained wind speed of 150 miles per hour. What category would the National Weather Service assign to this storm? A.Category Two B.Category Three C.Category Four D.Category Five Answer Key: C Question 2 of 25 4.0 Points What is the relative humidity when the air temperature is 75 degrees Fahrenheit and the Wet Bulb temperature is 65 degrees
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Statistics Test Pearson’s correlation test Correlation is a technique for investigating the relationship between two quantitative‚ continuous variables‚ for example‚ age and blood pressure. Pearson’s correlation coefficient (r) is a measure of the strength of the association between the two variables. The nearer the scatter of points is to a straight line‚ the higher the strength of association between the variables. Also‚ it does not matter what measurement units are used (URL1)
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Place your answer on the answer sheet. There are 50 questions‚ each worth 2 points. 1) In 1985‚ Alice paid $20‚000 for an option to purchase ten acres of land. By paying the $20‚000‚ she bought the right to buy the land for $100‚000 in 1992. When she acquired the option in 1985‚ the land was worth $120‚000. In 1992‚ it is worth $110‚000. Should Alice exercise the option and pay $100‚000 for the land? A) Yes. B) No. C) It depends on what the rate of inflation was between 1985 and 1992
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