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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Encyclopedia’s definition for probability is the concern for events that are not certain and the reasonableness of one expectation over another. These expectations are usually based on some facts about past events or what is known as statistics. Collier describes statistics to be the science of the classification and manipulation of data in order to draw inferences. Inferences here can be read to mean expectations‚ leading to the conclusion that the two go hand in hand in accomplishing what mankind has
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for Pilgrim Bank than offering incentives to promote wider use of the online channel. To begin solving the problem‚ Mr. Green first must address the following research issues: how much more/less profit do online users generate; is this difference significant‚ what are the measures of customer profitability‚ what are the characteristic of the bank’s online users and profitable customers‚ what are the costs of operating the online banking channel‚ and finally what measures does the bank take to retain
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Descriptive and Inferential Statistics Greg Hagen‚ Jean Parker‚ Jade Riley‚ Nanika Woods‚ Myron Hamilton‚ Tajah Gutierrez‚ Treva Eley PSY/315 June 9‚ 2012 Nancy A. Walker Descriptive and Inferential Statistics Statistics is a vital part of the psychological field as the analysis of statistics provides researchers with a means of both describing the results of research and surmising from those results‚ as well as drawing conclusions related to a hypothesis. Statistics gives a better understanding
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Inferential Statistics and Findings QNT/561 2 April 2015 Inferential Statistics The research question at hand is as follows: Is there a difference in the coffee consumption rate of Americans based on gender? The first Hypothesis statement is; there is a difference in the coffee consumption rate of Americans based on gender. The second Hypothesis statement is; there is not a difference in the coffee consumption rate of Americans based on gender. The team will use the Confidence Interval
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Virtual Banks Defined……………………………………………….….….p. 1 Brief History…………………………………………………………..……p. 1-2 Competition………………………………………………………….……..p. 3 Major Players……………………………………………………………….p. 3 Use Amongst Canadians: ……………………………………………….….p. 4 Some Statistics Benefits vs. Drawbacks of Virtual Banks…………………………………………...p. 4-6 Advantages ………………………………………………...…………….... p. 5-6 Disadvantages………………………………………...……………………..p. 7-8 Implementation of Virtual Banks in Canadian
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appropriate statistical test when there is one nominal independent variable with at least 3 levels; one sacle DV‚ and either between groups or within groups design 2) One way ANOVA Null Hypothesis: No differences between population means. µ1=µ2=µ3 Alternative Hypothesis: At least one pop mean is different from at least one other pop mean. (Can’t use symbols) 3) Numerator of the F statistic measures between groups variance (MSbetween) 4) Denominator of the F statistic measures within groups
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channel showed news‚ short features‚ and advertisements. The length of the program was based on the assumption that the population mean time a shopper stands in a supermarket checkout line is 8 minutes. A sample of actual waiting times will be used to test this assumption and determine whether actual mean waiting time differs from this standard. |Formulate the hypotheses for this application | | |A sample of 120 shoppers
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die more often than chance would predict. To test this‚ a die is rolled 100 times and the gambler guesses the number that comes up twenty times and guesses incorrectly the other eighty times. Is this strong evidence that the gambler’s claim is true? a. Specify the null and alternative hypothesis for this problem. p = probability gambler guess correctly for an individual roll null (Ho): p = 1/6 alternative (Ha): p > 1/6 b. Find the test statistic and calculate the p-value. What do you conclude
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times - a huge mountain that lay ahead of us to climb. But my‚ what a wonderful year it has been. A year of challenges met‚ mountains climbed and summits conquered! To our young Ladies and Gentlemen seated in front of us tonight listening to our elementary school graduation speech - we are immeasurably proud of each and everyone of you. There were those of you who seemed to have wings and you just soared over the obstacles and challenges that crossed your path. It is a wonderful gift and one that
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