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

question 10

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.If we let d = post-workshop anxiety level - pre-workshop anxiety level, the correct alternative hypothesis to determine if this approach was successful is ________________________ .

• A)µ_d = 0
• B)µ_d < 0
• C)µ_d > 0
• D)µ_d ≠ 0
• E)µ_d ≤ 0

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Definitions:

Population Parameter

A population parameter is a numerical value that represents a characteristic of an entire population, such as its mean or standard deviation.

Point Estimate

A statistical measure that provides the best single value estimate of a population parameter.

Mean Amount

The average value of a set of numbers, calculated by adding all the values and dividing by the count of numbers.

Sample Mean

Sample mean refers to the average of all the data points in a sample taken from a population, serving as an estimate of the population mean.