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Quantitative Analysis for Management, 13/e
book

Quantitative Analysis for Management, 13/e

by Barry Render, Ralph M. Stair, Michael E. Hanna, Trevor S. Hale
January 2017
Beginner to intermediate
280 pages
217h 11m
English
Pearson
Content preview from Quantitative Analysis for Management, 13/e

2.8 The F Distribution

The F distribution is a continuous probability distribution that is helpful in testing hypotheses about variances. The F distribution will be used in Chapter 4 when regression models are tested for significance. Figure 2.14 provides a graph of the F distribution. As with a graph for any continuous distribution, the area underneath the curve represents probability. Note that for a large value of F, the probability is very small.

A line begins at the graph’s origin and steeply ascends up and to the right and then begins to gently and smoothly descend back toward the x axis.

Figure 2.14 The F Distribution

The F statistic is the ratio of two sample variances from independent normal distributions. Every F distribution has two sets of ...

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Publisher Resources

ISBN: 9780134543161