Essentials of Modern Business Statistics with Microsoft Office Excel (Book Only)
Essentials of Modern Business Statistics with Microsoft Office Excel (Book Only)
7th Edition
ISBN: 9781337298353
Author: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams
Publisher: South-Western College Pub
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Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of tw…
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency o…
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A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow compar…
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Chapter 9.3, Problem 20E

a.

To determine

To state: The hypotheses for a test.

b.

To determine

To find: The test statistic.

c.

To determine

To find: The p -value.

d.

To determine

To draw: The conclusion.

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Chapter 9 Solutions

Essentials of Modern Business Statistics with Microsoft Office Excel (Book Only)

Ch. 9.2 - The label on a 3-quart container of orange juice...Ch. 9.2 - Prob. 7ECh. 9.3 - Prob. 20ECh. 9.4 - The national mean annual salary for a school...Ch. 9.5 - A study by Consumer Reports showed that 64% of...Ch. 9.6 - Prob. 49ECh. 9 - Fifty-two percent of Americans report that they...Ch. 9 - Prob. 9.1.1CPCh. 9 - Prob. 9.1.2CPCh. 9 - Prob. 9.1.4CP
Ch. 9 - During the global recession of 2008 and 2009,...Ch. 9 - During the global recession of 2008 and 2009,...Ch. 9 - During the global recession of 2008 and 2009,...Ch. 9 - During the global recession of 2008 and 2009,...Ch. 9 - During the global recession of 2008 and 2009,...
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