(ILO 1) Determine the root of the equation x-e-x-1= 0, using: a. Graphical Method (Spis) b. Fixed-Point Iteration Method, with initial guess x₁ = 1 and 8 = 1.0% (ST
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- Would observations or interviews be more appropriate to research the following topic?How veterans find employment after exiting military service.O ObservationsO InterviewsA substance abuse counselor wants to demonstrate the effect of situational stress on alcohol cravings. He recruits two groups of men who are similar in respect to history of alcohol use and demographic variables. He divides them in to two groups. In one group(n=11), the men are exposed to a stressful situation and then asked to complete a measure rating their alcohol cravings on a scale from 0-10, where 0 representsno cravings and 10 represents intense cravings. In the second group (n=10), the men are exposed to a neutral situation and asked to complete the same measure. What test and graph should I create to find out if a stressful situation result in more intense alcohol cravings than a non-stressful situation?I have answered this sample sheet but I just want to make sure my answers are right. Can you show me your answers? Thank you! 1. Exploratory Data Analysis refers to A. a set of procedures for producing descriptive and graphical summaries of the data. B. a set of summaries for producing descriptive and graphical procedures of the data. C. a set of procedures for producing descriptive and written summaries of the data. D. a set of procedures for producing descriptive and graphical summaries of the data. 2. Which of the following choices are referred to as categorical data? A. nominal and interval B. nominal and ordinal C. ordinal and interval D. interval and ratio 3. Which of the following choices are referred to as continuous data? A. ordinal and ratio B. nominal and ratio C. ordinal and interval D. interval and ratio 4. Which of the following choices is NOT a property of an ordinal data? A. represent discrete units B. values are inherently ordered C. has absolute zero D. none…
- The Bureau of Labor Statistics reports that the official unemployment rate for Black people was 10.4% and 4.7% for White people in February 2015. Select all correct answers for this question. O The samples of white and black people are independent. The explanatory variable is the unemployment rate. The response variable is the unemployment rate. The response variable is race.2.- The journal Behavioral Research in Accounting published a study of Machiavellian traits in accountants. Machiavellian describes negative character traits that include manipulation, cunning, duplicity, deception, and bad faith. A questionnaire by email was administered to a random sample of 700 accounting alumni of a large southwestern university; however, due to nonresponse and incomplete answers, only 198 questionnaires could be analyzed. Several variables were measured, including age, gender, level of education, income, job satisfaction score, and Machiavellian (“Mach") rating score. The research findings suggest that Machiavellian behavior is not required to achieve success in the accounting profession. a) What is the populatidn of interest to the researcher? Answer: Business accountants in the southwest Accountants in general Accounting alumni from this university Business alumni from this university b) What inference was made by the researcher? Answer: Accountants are always…Suppose we wish to compare the health status of two groups of people. What variables might we use to measure the status? What variables might we want to control in order to draw the appropriate inferences and why?
- A) We have just conducted a study examining how much math anxiety students experience after taking a statistics class. We want to know if students on average are reporting low (1) or high (7) levels of math anxiety. To do that, we want to compare the math anxiety levels of the students after they have taken a statistics course to the average population math anxiety. We believe that the students on average will have a level of math anxiety that differs from the population. X 3 4 4 5 5 3 1 3 5 6 7 2 2 3 2 3 2 3 1 3 Report our null and alternative hypotheses in words. Given the information we have, what specific t-test do we need to run in order to examine our hypothesis? Provided are the ratings from the students that we recruited (see left), the mean and standard deviation for that sample (see below), and the population average (see below): xbar =3.35, Meu=4.00 and SD=1.60…The following is not a graded test. It is just a homework practice problems. Case Problem: Young Professional Magazine Young Professional magazine was developed for a target audience of recent college graduates who are in their first 10 years of a business or other professional career. The magazine has been fairly successful and the publisher is interested in expanding the publication’s advertising base. As a recent hire into the marketing department at the magazine, you have been asked to help develop a survey asking readers demographic information and questions about their interests. Your survey results will be used to help the magazine choose articles of interest and provide advertisers with a profile of subscribers. The culmination of your work will be a presentation of your findings to management. Therefore, you not only have to present summary data, but must also be able to explain the results in a manner that is accurate and easy to understand. Based on…The measure of central tendency which is used for categorical data is .... ..
