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LSSG Black Belt Training

LSSG Black Belt Training

LSSG Black Belt Training Hypothesis Testing Introduction Always about a population parameter Attempt to prove (or disprove) some assumption Setup: alternate hypothesis : What you wish to prove Example: Person is guilty of crime

By emily
(1345 views)

Caffeine Junkies: Effects of caffeine on word-search task performance of Dartmouth Students

Caffeine Junkies: Effects of caffeine on word-search task performance of Dartmouth Students

Caffeine Junkies: Effects of caffeine on word-search task performance of Dartmouth Students. “Coffee: creative lighter fluid.” --Floyd Maxwell (1957-) . Research Rationale.

By Gabriel
(344 views)

Regression Models

Regression Models

Regression Models. Chapter 4. To accompany Quantitative Analysis for Management , Tenth Edition , by Render, Stair, and Hanna Power Point slides created by Jeff Heyl. © 2009 Prentice-Hall, Inc. . Learning Objectives. After completing this chapter, students will be able to:.

By bert
(843 views)

Educational Research

Educational Research

Educational Research. Chapter 5. Hypothesis. The hypothesis states the expected answer to the research question – knowing that the investigation results will lead to its being supported or not supported – or retention or rejection Example:

By helia
(161 views)

STAT 3120 Statistical Methods I

STAT 3120 Statistical Methods I

STAT 3120 Statistical Methods I. Lecture Notes 6 Analysis of Variance (ANOVA). Testing for Relationships Among Variables. AN alysis O f VA riance. A few points about ANOVA: Used to determine if statistical differences exist among three or more groups;

By elsbeth
(135 views)

BIOSTATISTICS

BIOSTATISTICS

BIOSTATISTICS. 5.6 TEST OF HYPOTHESIS. BIOSTATISTICS. TERMINAL OBJECTIVE: 5.6 Perform a test of significance on a hypothesis using Chi-square test. BIOSTATISTICS. STATE THE PURPOSE OF A: 5.6.1 2X2 contingency table. 5.6.2 2x2 expected table. Purpose - Contingency. General

By gada
(192 views)

Information-Based Sample Size Re-estimation for Binomial Trials

Information-Based Sample Size Re-estimation for Binomial Trials

Information-Based Sample Size Re-estimation for Binomial Trials. Keaven Anderson, Ph.D. Amy Ko, MPH Nancy Liu, Ph.D. Yevgen Tymofyeyev, Ph.D. Merck Research Laboratories. June 9, 2010. Objective: Fit-for-purpose sample-size adaptation. Examples here restricted to binary outcomes

By coyne
(493 views)

Basic concept

Basic concept

Basic concept. Measures of central tendency. Measures of dispersion & variability. Measures of tendency central. Arithmetic mean (= simple average ). Best estimate of population mean is the sample mean, X. measurement in population. summation. sample size. index of measurement.

By boyd
(85 views)

Need

Need

Impact of Stress on Heart Disease Risk. Need . http://www.hsph.harvard.edu/news/hphr/winter-2009/winter09heart.html#riskchart. Knowledge Base. Literature Review. Li et al., in 2010

By jadyn
(193 views)

Lecture 3

Lecture 3

Lecture 3. Estimation and Hypothesis Testing . Objectives: Formulate a null and alternate hypothesis for a question of interest; Explain what a test statistic is; Explain p-values; Describe the reasoning of hypothesis testing;

By ford
(177 views)

STYLISTIC VARIATION AS A BASIS FOR GENRE-BASED TEXT CLASSIFICATION

STYLISTIC VARIATION AS A BASIS FOR GENRE-BASED TEXT CLASSIFICATION

STYLISTIC VARIATION AS A BASIS FOR GENRE-BASED TEXT CLASSIFICATION. S. Sameen Fatima Dept. of Computer Science & Engineering Osmania University Hyderabad (sameenf@hotmail.com). BACKGROUND. Q. What is classification (of text)?

By nolen
(188 views)

Super Memory: Is anyone capable of achieving it? Amber J. Rice

Super Memory: Is anyone capable of achieving it? Amber J. Rice

Super Memory: Is anyone capable of achieving it? Amber J. Rice St. Lawrence University, Canton, New York. MYTH. MYTH BUSTED. Super memorists have the capacity to remember significantly more than the average person due to innate abilities. The highest level of performance is only

By shani
(77 views)

Weather Patterns

Weather Patterns

Weather Patterns. Michael Levin & Andy Suh. About Weather Predictions. For years, people have been trying to predict weather patterns and to predict oncoming weathers; even the Babylon, Greeks, and the Renaissance people have tried.

By sorena
(311 views)

Hypothesis Testing for Proportions

Hypothesis Testing for Proportions

Hypothesis Testing for Proportions. AP Statistics. Hypothesis Test for Proportions. In this section, you will learn how to test a population proportion, p. If np ≥ 10 and n(1-p) ≥ 10 for a binomial distribution, then the sampling distribution for is normal with and.

By zanta
(102 views)

LECTURE 11 Hypotheses about Correlations

LECTURE 11 Hypotheses about Correlations

LECTURE 11 Hypotheses about Correlations. EPSY 640 Texas A&M University. Hypotheses about Correlations. One sample tests for Pearson r Two sample tests for Pearson r Multisample test for Pearson r Assumptions: normality of x, y being correlated. One Sample Test for Pearson r.

By alvis
(145 views)

REVIEW Hypothesis Tests of Means

REVIEW Hypothesis Tests of Means

REVIEW Hypothesis Tests of Means. When to use z and When to use t. USE z Large n or sampling from a normal distribution σ is known. USE t Large n or sampling from a normal distribution σ is unknown. z and t distributions are used in hypothesis testing.

By tess
(70 views)

The Probability of a Type II Error and the Power of the Test

The Probability of a Type II Error and the Power of the Test

The Probability of a Type II Error and the Power of the Test. Probability of a Type II Error / Power of Test. Type I Error: Rejecting Null Hypothesis when Null Hypothesis is true ( α is the probability of a Type I Error) Type II Error: Accepting Null Hypothesis when Null Hypothesis is false.

By washi
(263 views)

Judging offside in football

Judging offside in football

Judging offside in football. Journal Club, 2006. Errors in judging ‘offside’ in football. Oi Lino – are you blind?. Law 11: Offside. A player is in an offside position if he is nearer to his opponents goal line than both the ball and the second last opponent

By nuri
(108 views)

Need

Need

Need. http://personalpages.manchester.ac.uk/staff/roy.goodacre/learning/metabprof/levy_nature2004.pdf. Many bacteria are both capable of developing their own resistance to antibiotics as well as spreading this resistance to other bacteria. Literature Review. Secondary Metabolites.

By becka
(124 views)

Statistical Decision Making

Statistical Decision Making

Statistical Decision Making. Analysts must often make decisions about some condition in the real world. Assume that you have finished your MA in policy studies and have been hired as the environmental affairs officer for the city of Morgantown. You must make the following assessment:

By abril
(261 views)

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