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Introduction to choosing the correct statistical test

Introduction to choosing the correct statistical test

Introduction to choosing the correct statistical test. + Tests for Continuous Outcomes I. Questions to ask yourself:. What is the outcome (dependent) variable? Is the outcome variable continuous, binary/categorical, or time-to-event? What is the unit of observation? person* (most common)

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2.61k views • 88 slides
Chapter 9

Chapter 9

Chapter 9. Hypothesis Testing Null and Alternative Hypotheses and Errors in Testing Large Sample Tests about a Mean: Rejection Points Small Sample Tests about a Population Mean Hypothesis Tests about a Population Proportion. Introduction. A Hypothesis Test is a statistical procedure

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789 views • 51 slides
Chapter 9 Hypothesis Testing

Chapter 9 Hypothesis Testing

Chapter 9 Hypothesis Testing. Chapter Outline. Developing Null and Alternative Hypothesis Type I and Type II Errors Population Mean: Known Population Mean: Unknown Population Proportion. Hypothesis Testing.

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706 views • 46 slides
Chapter 9 Hypothesis Testing

Chapter 9 Hypothesis Testing

Chapter 9 Hypothesis Testing. Chapter Outline. Developing Null and Alternative Hypothesis Type I and Type II Errors Population Mean: Known Population Mean: Unknown Population Proportion. Hypothesis Testing.

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624 views • 46 slides
Statistics: Analyzing and Comparing Data

Statistics: Analyzing and Comparing Data

Statistics: Analyzing and Comparing Data . Module 3. Outline. Estimating the true mean using sample average Estimating the true variance using sample variance Confidence intervals and hypothesis tests for means and variances. Population Mean and Sample Mean.

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525 views • 40 slides
Happiness comes not from material wealth but less desire.

Happiness comes not from material wealth but less desire.

Happiness comes not from material wealth but less desire. . Chapter 17. Inference about a Population Mean . Conditions for Inference about a Mean. Data are from a SRS of size n . Population has a Normal distribution with mean m and standard deviation s .

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598 views • 35 slides
Chapter 7 Estimating Population Values

Chapter 7 Estimating Population Values

Business Statistics: A Decision-Making Approach 6 th Edition. Chapter 7 Estimating Population Values. Confidence Intervals. Content of this chapter Confidence Intervals for the Population Mean, ? when Population Standard Deviation ? is Known

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603 views • 31 slides
LESSON 17: THE F-DISTRIBUTION

LESSON 17: THE F-DISTRIBUTION

LESSON 17: THE F-DISTRIBUTION. Outline The F-distribution. THE F-DISTRIBUTION. If you have two populations, and if you want to know if two populations have an identical variance, use F-distribution if each population has a normal distribution.

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351 views • 10 slides
LESSON 17: THE F-DISTRIBUTION

LESSON 17: THE F-DISTRIBUTION

LESSON 17: THE F-DISTRIBUTION. Outline The F-distribution. THE F-DISTRIBUTION. If you have two populations, and if you want to know if two populations have an identical variance, use F-distribution if each population has a normal distribution.

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111 views • 10 slides

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