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A runs test was performed on 200 measurements of beam deflections and resulted in a test statistic ...

A runs test was performed on 200 measurements of beam deflections and resulted in a test statistic value of 2.486. Using a 5% significance level, what would you conclude about whether the sequence was produced in a random manner?

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2.486 > 1.96, so reject the null hypothesis and conclude the sequence of observations is not random.

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2.4868 > 1.96, so do not reject the null hypothesis and conclude the sequence of observations may well be random.

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2.486 < 2.575, so reject the null hypothesis and conclude the sequence of observations is not random.

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2.486 < 2.575, so do not reject the null hypothesis and conclude the sequence of observations may well be random.

Textbook

Introductory Statistics: A Problem-Solving Approach

Edition: 3^rd

Author: Kokoska

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