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Session 7: Two Sample Hypotheses (Zar, Chapter 8)

Session 7: Two Sample Hypotheses (Zar, Chapter 8)

Session 7: Two Sample Hypotheses (Zar, Chapter 8). Two-Sample Hypotheses:. The General Setting: Two Populations:. H o : Population 1 = Population 2. Alternatives can be (1) Specific: Pop 1 = 2 x Pop 2. H A : ?. (2) General: Pop 1 > Pop 2 Pop 1 < Pop 2

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650 views • 58 slides
Single Sample Inferences

Single Sample Inferences

Single Sample Inferences. Greg C Elvers. Single Samples. A single sample implies that you have collected data from one group of people or objects You have not collected data from a comparison, or control, group

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606 views • 43 slides
Statistical Hypotheses Testing

Statistical Hypotheses Testing

Statistical Hypotheses Testing. Stat 700 Lectures Hypothesis Testing. Overview of this Lecture. The problem of hypotheses testing

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691 views • 43 slides
Statistical Hypothesis Tests

Statistical Hypothesis Tests

Statistical Hypothesis Tests. Notes of STAT6205 by Dr. Fan. Overview. Introduction of hypotheses tests ( Sections 7.1,7.2 ) General logic Two types of error Parametric tests for one mean and for proportions What is the best test for a given situation? Order Statistics (Section 8.3)

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912 views • 39 slides
CRIM 483

CRIM 483

CRIM 483. Chapter 5: Correlation Coefficients. Correlation Coefficients. Correlation coefficient=numerical index that reflects the linear relationship between two variables for in the dataset Range -1.00 to +1.00 Known as a bivariate correlation

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402 views • 26 slides
Multiple regression and issues in regression analysis

Multiple regression and issues in regression analysis

Multiple regression and issues in regression analysis. Multiple regression. With multiple regression, we can analyze the association between more than one independent variable and our dependent variable.

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606 views • 25 slides
If we live with a deep sense of gratitude, our life will be greatly embellished.

If we live with a deep sense of gratitude, our life will be greatly embellished.

If we live with a deep sense of gratitude, our life will be greatly embellished. Hypothesis Test I: Z tests. Logic of hypothesis test Rejection region and p-value Test for one proportion Test for two proportions. Example: New Drug.

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309 views • 24 slides
Intro to Stats

Intro to Stats

Intro to Stats. Significance Testing . Hypothesis Test. A statistical method that uses sample data to evaluate a hypothesis about a population 1. State a hypothesis 2. Use the hypothesis to predict the characteristics the sample should have 3. Obtain a random sample from the population

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299 views • 21 slides
CRIM 483

CRIM 483

CRIM 483. Statistical Significance. Hypothesis Testing. The null hypothesis assumes that a relationship occurs simply by chance The research hypotheses represents the more extreme outcome

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309 views • 16 slides
Part IV Significantly Different: Using Inferential Statistics

Part IV Significantly Different: Using Inferential Statistics

Part IV Significantly Different: Using Inferential Statistics. Chapter 9 ? ? Significantly Significant: What it Means for You and Me. The Concept of Significance. Any difference between groups that is due to a systematic influence rather than chance

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220 views • 11 slides

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