A Random Sample of 40 Companies with Assets Over $10

question 100

Multiple Choice

A random sample of 40 companies with assets over $10 million was surveyed and asked to indicate their industry and annual computer technology expense. The ANOVA comparing the average computer technology expense among three industries rejected the null hypothesis. The mean square error (MSE) was 195. The following table summarized the results: When comparing the mean annual computer technology expense for companies in the education and tax services industries, which of the following 95% confidence interval can be constructed?

• A) 13.5 ± 2.026 * 5.78
• B) 13.5 ± 2.021 * 5.78
• C) 13.5 ± 2.026 * 13.96
• D) 13.5 ± 2.021 * 13.96

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Definitions:

Social Media Sites

Online platforms where individuals and organizations can create and share content or participate in social networking, such as Facebook, Twitter, and Instagram.

MOOCs

Stands for Massive Open Online Courses, free online courses available for anyone to enroll that offer a wide variety of subjects.

Hospital Billing Clerks

Administrative professionals responsible for preparing and sending invoices for hospital services, as well as tracking payments.

Job Posting Site

An online platform where employers advertise job openings and potential employees can apply for those positions.