Category: Statistics

  • Managerial statistics financial services paper

    Many people will view complaints in a negative sense-something went wrong, or “I failed.” But as Jack points out, opportunity lies in the complaint. Taking the complaint as an opportunity is the best mindset when approaching quality control. If the consumer truly believes you are trying to help them, all too frequently, their opinion changes…

  • Statistical Analysis

    Statistical Analysis You SHOULD Perform 1? Normality test (assumption) * ShapiroWilk * KolmogorovSmirnov Purpose check ANOVA suitability 2? Descriptive statistics For each group: * Mean * Standard deviation * CV This describes your data. 3? Levene test (very important) Checks: Equality of variance Needed before ANOVA. 4? Three-way factorial ANOVA (MAIN TEST) Because you have…

  • Statistical Exercise Unit 6

    Complete Exercise 10, parts b-d, and Exercise 14, parts c-e, on pages 361 and 362, respectively, in Fundamentals of Statistical Reasoning in Education (Coldarci & Cobb). For each exercise, provide the null and alternative hypotheses in terms of independence (see slide 17 of this units PowerPoint presentation). Create an appropriate contingency table for each exercise…

  • One-Way ANOVA

    RSCH 665 Module 6 Assignment One-Way ANOVA A researcher wants to examine the production capability of three manufacturing plants that utilize different production methods of the same part in order to select a plant as a supplier for a company. The effectiveness of each plant will be measured in the number of parts it can…

  • Signature Assingment

    MAT 152 Signature Assignment The purposes of the project are to distinguish between quantitative and qualitative data, to demonstrate both an understanding of the appropriate means of displaying, analyzing and interpreting statistics of each type, and the appropriate use of technology to produce a report of the findings. Project Outline 1. Pick a meaningful survey…

  • Hi pleas Ineed help for my homework

    Progress Check Use this activity to assess whether you and your peers can: Use a five-number summary and a boxplot to describe a distribution. Recognize quartiles as the markers between four equally-sized groups within a distribution of data. Describe the distribution of a quantitative variable grouped by a categorical variable; make comparisons and draw conclusions.…

  • Demographic statistics of Arizona using US Census data

    Overview This assignment consists of two parts: a Word (or text) document, and an Excel file. Both parts must be submitted. Objectives Calculate basic demographic statistics using Excel and US Census data. Describe the state of Arizona using appropriate measures of central tendency. Explain diversity in Arizona using appropriate measures of dispersion. Instructions Part 1:…

  • Managerial statistics financial services paper

    Many people will view complaints in a negative sense-something went wrong, or “I failed.” But as Jack points out, opportunity lies in the complaint. Taking the complaint as an opportunity is the best mindset when approaching quality control. If the consumer truly believes you are trying to help them, all too frequently, their opinion changes…

  • Project 2

    MAT 240 Project Two Guidelines and Rubric Competency In this project, you will demonstrate your mastery of the following competency: Apply statistical techniques to address research problems Perform hypothesis testing to address an authentic problem Overview In this project, you will apply inference methods for means to test your hypotheses about the housing sales market…