"Statistical significance" Essays and Research Papers

Sort By:
Satisfactory Essays
Good Essays
Better Essays
Powerful Essays
Best Essays
Page 48 of 50 - About 500 Essays
  • Powerful Essays

    Stats Quiz Answers

    • 9407 Words
    • 38 Pages

    hypothesis to be true ANSWER: a 4. One-tailed alternatives are phrased in terms of: a. ( b. < or > c. ( or = d. [pic] ANSWER: b 5. The chi-square goodness-of-fit test can be used to test for: a. significance of sample statistics b. difference between population means c. normality d. probability ANSWER: c 6. A type II error occurs when: a. the null hypothesis is incorrectly accepted when it is false b. the null hypothesis

    Premium Statistical hypothesis testing Sample size Statistical significance

    • 9407 Words
    • 38 Pages
    Powerful Essays
  • Powerful Essays

    Statistical Report Writing

    • 3501 Words
    • 15 Pages

    Statistical Report Writing School of Mathematics ‚ The University of Manchester.Contents 1 Summary 2 2 Introduction 2 3 Structure 2 3.1 Title . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3.2 Summary/Abstract . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3.3 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3.4 Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3.5 Results‚ conclusions and recommendations .

    Premium Statistics

    • 3501 Words
    • 15 Pages
    Powerful Essays
  • Good Essays

    Statistical Quality Control

    • 21208 Words
    • 85 Pages

    CHAPTER Statistical Quality Control Before studying this chapter you should know or‚ if necessary‚ review 1. 2. Quality as a competitive priority‚ Chapter 2‚ page 00. Total quality management (TQM) concepts‚ Chapter 5‚ pages 00 – 00. 6 LEARNING OBJECTIVES After studying this chapter you should be able to 1 2 3 4 5 6 7 8 9 Describe categories of statistical quality control (SQC). Explain the use of descriptive statistics in measuring quality characteristics. Identify and describe causes

    Premium Arithmetic mean Standard deviation Control chart

    • 21208 Words
    • 85 Pages
    Good Essays
  • Better Essays

    Statistical Information HCS/438 April 15‚ 2013 University of Phoenix Statistical Information Statistical information is gathered in a multiple ways. Information is received and compiled into reports to be translated into a simpler more understandable form. The purpose of this paper is to Identify the types of statistical data collected in a workplace setting‚ including the information is collected‚ and to discuss the advantages of accurate interpretation of data. When explaining statistics

    Premium Level of measurement Measurement Scientific method

    • 1097 Words
    • 5 Pages
    Better Essays
  • Good Essays

    Statistical Data Analysis

    • 878 Words
    • 4 Pages

    Regional Sales Manager do a short presentation to highlight how the consumers in their region don’t compare to the rest of the consumers in the whole United States. General Summary-Findings Education. There is a difference in the 2000 statistical data provided from the American Marketing Association between the entire United States and 60614 zip code. The Educational Attainment for the entire U.S. displayed that more citizens as a whole have obtained an education from grade school through

    Premium Household income in the United States United States Household

    • 878 Words
    • 4 Pages
    Good Essays
  • Satisfactory Essays

    Is the Rookie Ready

    • 878 Words
    • 4 Pages

    STATISTICS HOMEWORK PROBLEM 1 Part of a usability study to assess the usability of voting machines included a measure of the time on task (TOT) of voters casting ballots. The data are for the same ballot cast on two different voting machines at the same location. A few background items: * The voters (participants/users) are a homogeneous group. * Voters were randomly assigned to theo vting machines. * Due to items 1 and 2 above‚ assume the two groups of

    Premium Statistical hypothesis testing Statistics Statistical power

    • 878 Words
    • 4 Pages
    Satisfactory Essays
  • Satisfactory Essays

    Exercise 36 Anova

    • 517 Words
    • 2 Pages

    Marcia Landell Applied Statistics Week 6: Analysis of Variance (ANOVA) Exercise 36 Analysis of Variance (ANOVA) I 1. A major significance is identifiable between the control group and the treatment group with the F value at 5% level of significance. The p value of 0.005 is less than 0.05 indicating that the control group and the treatment group are indeed different. Based on this fact‚ the null hypothesis is to be rejected. 2. Null hypothesis: The mean mobility scores for the control group and

    Premium Statistics Statistical hypothesis testing Analysis of variance

    • 517 Words
    • 2 Pages
    Satisfactory Essays
  • Satisfactory Essays

    Adm2304 Assignment 2

    • 747 Words
    • 3 Pages

    Angus Reid 33% 36% 26% 5% Ekos 37.7% 31.5% 23.3% 5.9% (a) Test at the .05 level of significance whether the data constitute evidence of a real overall disagreement between the two polls. (b) In particular‚ test whether the data constitute evidence of a real disagreement between the levels of support for the PC party between the two polls. Use the .05 level of significance. AnswerOij | Liberal | PC | NDP | Green | Row Totals | Angus Reid | 330 | 360 | 260 | 50

    Premium Null hypothesis Statistical hypothesis testing Statistical tests

    • 747 Words
    • 3 Pages
    Satisfactory Essays
  • Good Essays

    exercise 36

    • 608 Words
    • 2 Pages

    a reduction in mobility difficulty at week 12. Was this result statistically significant‚ and if so at what probability? * The p-value of 0.005 suggests that the results are statistically significant. 4. If the researchers had set the level of significance or α = 0.01‚ would the results of p = 0.001 still be statistically significant? Provide a rationale for your answer. * Yes‚ 0.001 is the α of 0.01‚ the null hypothesis would be accepted. 6. Can ANOVA be used to test proposed relationships or predicted

    Premium Statistical hypothesis testing Statistics Experimental design

    • 608 Words
    • 2 Pages
    Good Essays
  • Powerful Essays

    Statistical Process Control

    • 4841 Words
    • 20 Pages

    Test Run Improve your chances of passing an ASQ certification exam • Passing a certification exam isn’t a given‚ and the challenge isn’t always in the test itself. • The difference between passing and failing often occurs before the exam‚ so it’s important to know the pitfalls before getting started. • Avoid these danger zones to help ensure a successful outcome. In 50 Words Or Less by Govind Ramu Careers In 2008‚ 14‚906 people took ASQ certification exams. Whether by

    Premium Quality management Quality control Quality assurance

    • 4841 Words
    • 20 Pages
    Powerful Essays
Page 1 42 43 44 45 46 47 48 49 50