Understandable Statistics: Concepts and Methods
Understandable Statistics: Concepts and Methods
12th Edition
ISBN: 9781337119917
Author: Charles Henry Brase, Corrinne Pellillo Brase
Publisher: Cengage Learning
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Chapter 11.4, Problem 8P

(i)

To determine

Convert the sequence of numbers to a sequence of symbols A and B.

(ii)

To determine

(a)

Find the level of significance.

State the null and alternative hypothesis.

(b)

Find the sample test statistic R, the number of runs.

(c)

Find the lower critical value.

Find the upper critical value.

(d)

Mention the conclusion of the test.

(e)

Interpret the conclusion in the context of the application.

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Why researchers are interested in describing measures of the center and measures of variation of a data set?
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The following ordered data list shows the data speeds for cell phones used by a telephone company at an airport: A. Calculate the Measures of Central Tendency from the ungrouped data list. B. Group the data in an appropriate frequency table. C. Calculate the Measures of Central Tendency using the table in point B. 0.8 1.4 1.8 1.9 3.2 3.6 4.5 4.5 4.6 6.2 6.5 7.7 7.9 9.9 10.2 10.3 10.9 11.1 11.1 11.6 11.8 12.0 13.1 13.5 13.7 14.1 14.2 14.7 15.0 15.1 15.5 15.8 16.0 17.5 18.2 20.2 21.1 21.5 22.2 22.4 23.1 24.5 25.7 28.5 34.6 38.5 43.0 55.6 71.3 77.8

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Understandable Statistics: Concepts and Methods

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