Basic Statistics

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11

CONTENTS

8.

8.

8.

8.

8.4.2 Two Kinds of Error

8.4.3 An Illustration of fi

Sample Size

Confidence Intervals Versus Tests

Correcting for Multiple Testing

Reporting the Results

Problems

References

Variances: Estimation and Tests

9.

9.

9.3 Approximate t Test

9.4 Other Tests

Reference

Point Estimates for Variances and Standard Deviations

Testing Whether Two Variances Are Equal: F Test

Problems

Categorical Data: Proportions

10.

10.

10.

10.

10.

10.

10.

10.

Single Population Proportion

10.1.1 Graphical Displays of Proportions

Samples from Categorical Data

The Normal Approximation to the Binomial

10.3.

10.3.2 Continuity Correction

Confidence Intervals for a Single Population Proportion

Confidence Intervals for the Difference in Two Proportions

Tests of Hypothesis for Population Proportions

10.6.

10.6.

Sample Size for Testing Two Proportions

Data Entry and Analysis Using Statistical Programs

Problems

References

Use of the Normal Approximation to the Binomial

Tests of Hypothesis for a Single Population Proportion

Testing the Equality of Two Population Proportions

Categorical Data: Analysis of Two-way Frequency Tables

1 1.1 Different Types of Tables

11.1.1 Tables Based on a Single Sample

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1 1.1.2 Tables Based on Two Samples 143