# Statistics

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Solution Library **

#### Use Poisson Distribution To Calculate Values Of Parameters

Question A company makes water pumps. The probability that a randomly selected pump is defective is equal to p. What is the probability that a sample of M pumps will contain exactly 3 defective items? Use Binomial distribution and Poisson distribution. Comment upon your results. Parameters are cal ... Read More

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#### Calculation Of Percentage Of Bolts That Donâ€™t Meet Specifications

Question A manufacturer produces bolts that are specified to be between 2.25 and 2.35 cm in diameter. Production process produces bolts with diameters normally distributed with mean X cm and standard deviation s cm. What percentage of bolts will not meet specifications? Parameters are calculated a ... Read More

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#### Calculation Of Values Of Parameters And Solution Process

Question Find the general solution of the following ordinary differential equation ANALYTICALLY (please show all your working): eax dy/dx = 1/y2 Parameters are calculated as follows: (a) Calculated values of parameters: a = (b) Solution process: y(x) = Summary The question belongs to S ... Read More

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#### Discuss About Descriptive Statistics And Using Explore Function In SPSS For Data Analysis

Question USING SPSS (1) describe your data sources, (2) present descriptive statistics and (3) explore the data. Write up to 5 pages to describe your data sample and descriptive statistics. Describe your data sources. Brief descriptions of data: data source (first hand or second hand; where did ... Read More

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#### Analysis Of Covariance Using Dependent And Independent Variables

Question Briefly state your research area of interest. (research interest related to business management or project management). Analysis of Covariance. Using your area of interest, identify one dependent and two independent variables, such that the independent variables would likely be covariates. ... Read More

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#### Testing Hypothesis Using Regression Model And R-Square Tests

Question Using the ustudy.sav file, the following hypothesis will be tested: H1: The likelihood of a faculty being in a public or a private university is predicted by the number of years since they got their doctorate and their salary. Dependent variable: UNIV (type of university) = depe ... Read More

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#### Statistical Test Used To Analyze Variable With Participation Versus Non-Participation

Question Which statistical test would you use to analyze the following data: Variable 1 is the participation versus non-participation of patients with a pulmonary embolus in a special treatment group; variable 2 is the pH of the patient's arterial blood gases. A) ANOVA B) Pearson's r C) t-test ... Read More

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#### Type Of Protection For Study Participants Where Responses Are Not Divulged

Question A questionnaire distributed by mail bears an identification number in one corner. Respondents are assured that their responses will not be individually divulged. Which procedure used to protect study participants is being used here? A) Freedom from harm or exploitation B) informe ... Read More

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#### Multivariate Study For Testing Effective Verbal Expressiveness

Question Which multivariate procedure is most appropriate for analyzing the following data: A researcher is testing the effect of verbal expressiveness, self-esteem, age, and the availability of family supports among a group of recently discharged psychiatric patients on recidivism (i.e whether the ... Read More

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#### Type Of Study Where Parents Are Asked To Sign Authorization

Question Hospitalized children included in a study, and their parents, are told the study's aims and procedures. Parents are asked to sign an authorization. Which procedure used to protect study participants is being used here? A) confidentiality B) anonymity C) freedom from harm or expl ... Read More

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#### Qualitative Analyses That Require Quasi-Statistics

Question Which of the following types of qualitative analyses requires the use of quasi-statistics? A) none of the above B) phenomenological/hermeneutic analysis C) grounded theory analysis D) ethnographic analysis Summary The question belongs to Statistics and it discusses about qual ... Read More

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#### Procedure Used To Protect Study Participants And Interviewing Them

Question The researcher assures participants that they will be interviewed at a single point in time and adheres to this promise. Which procedure used to protect study participants is being used here? A) confidentiality B) freedom from harm or exploitation C) anonymity D) informed consent &nbs ... Read More

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