Jon Buttler

Problem 1: Chili Cook-Off Competition Sample SizePrepare the solution for your choice for five of the following six problems. Clearly indicate each problem you have chosen to solve, and circle your final responses for each. Show all work. Submit your work to the designated file under Course Materials in Blackboard. If using software, submit a printout of your work. On the printout, clearly label the steps in your solution and circle your final responses. This assignment is due December 5. No ...

Overview and PreparationAssessment 2 Instructions: Hypothesis Testing for Differences Between Groups Print Perform hypothesis testing on the differences between two groups and create an Excel document.   Write a 2-3 page analysis of the results in a Word document and insert the results into this document.   Introduction Note: You are strongly encouraged to complete the assessments in this course in the order they are presented.   Hypothesis testing is...

Introduction and ImportanceSalary equity at Safecorp You have been asked to provide statistical expertise in a lawsuit alleging discrimination against minority employees at Safecorp, a major banking institution. One of the issues at stake is salary equity. Your clients, the plaintiffs’ lawyers, have supplied a random sample of records from 474 employees . Nominal Your task is to address the following questions in a brief memo to the legal team: • Are salaries for minority ...

Task RA Assignment Project The goal of this project is to explore the topics of covariance and correlation. The project requires you to work in Excel with the provided spreadsheet. Be sure to fill in the yellow boxes in the Excel file for full credit and show all work by referencing cells where necessary (do not simply type in answers).   In addition, type up a report in Word (1-2 pages) with a separate section for the introduction (description of the project), findings (answer assign...

Introduction to GRETL - A Free Statistical Analysis Software PackageThe GDP data from Problem Set 1b can be used to construct a statistical model of the change in per-capita GDP for second quarter (April to June) 2020. We will use the information for the 33 countries in our data set to examine the factors that influenced the magnitude of the COVIDinduced recession. Although professional economists use very sophisticated models of GDP, wecan apply a few basic tools to construct a simple but ...

Examine the variable GIFT in Appendix E of the TextbookDirections: Answer all questions. Show all work as necessary for your explanation. If symbols are needed in representation of your solution, either describe the symbol…(e.g., x bar, for sample mean) or construct appropriate symbol using the equation editor in WORD. (This is NOT a requirement). Finally round all final answers to the nearest TWO decimals. Submit ANSWER Sheet NOT questions. (50pts) 1. Use the STUDENT INTEREST SURVEY ...

In this assignment, you will calculate confidence intervals for the quantitative variables in the Heart Rate Dataset. Steps Open the Heart Rate Dataset in Excel and identify the quantitative variables Make sure the data is sorted by category (e.g.male-at-rest, female at-rest, etc.) Use the Data Analysis tools of Excel to construct 95% and 99% confidence intervals for all 8 categories of the sorted quantitative variables. Excel will calculate the margin of error given as the “confid...

Question 1: Estimation of the Percentage of Adults Who Get News Online1. In a Harris poll of 2036 adults, 40% said that they prefer to get their news online. Construct a 95% con dence interval estimate of the percentage of all adults who say they prefer to get their news online. (10 points)2. Find the minimum sample size required to estimate the mean pulse rate of adult males with 99% con dence that the sample mean is within 2 bpm of the population mean. Assume = 11:3 bpm. (10 points)3. Table 1...