A Mid-Sized Company Has Decided to Implement an Enterprise Resource

question 5

Multiple Choice

A mid-sized company has decided to implement an enterprise resource planning (ERP) system, and management suspects that many of its employees are concerned about the planned implementation.Managers are considering holding informational workshops to help decrease anxiety levels among employees.They randomly select 16 employees to participate in a pilot workshop.These employees were given a questionnaire to measure anxiety levels about ERP before and after participating in the workshop.At the 90% confidence level, what is the margin of error for the mean difference in anxiety levels pre- and post-workshop?

• A)1.753
• B)1.147
• C)0.287
• D)0.503
• E)2.010

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Definitions:

Statistical Methods

Techniques and procedures used for collecting, analyzing, interpreting, and presenting data.

Wilcoxon Rank Sum Test

A nonparametric statistical test used to compare two independent samples to determine if they come from the same distribution.

Independent Samples

Two or more sets of observations that are collected independently of each other, often compared in hypothesis testing to assess whether there are differences between groups.

Ordinal Data

A type of data that represents categories with a meaningful order, but differences between categories are not necessarily consistent.