An Energy Analyst Wants to Test If U

question 1

Multiple Choice

An energy analyst wants to test if U.S. oil production is random over time. The analyst has monthly production values for the two years. The analyst finds 12 months are above the median, 12 months are below the median, six runs are below the median, and five runs are above the median. Assume the R follows a normal distribution. The value of the test statistic is ________.

• A) -2.231
• B) -6.868
• C) 6.868
• D) 2.231

---

Definitions:

Marketing Tool

A strategy, technique, or software used by businesses to promote, sell, and distribute their products or services.

Social Media Presence

The visibility and engagement that an individual, organization, or brand maintains on social media platforms.

HubSpot

A developer and marketer of software products for inbound marketing, sales, and customer service, known for its CRM platform.

Social Media Platform

An online digital tool that allows users to create content, share content, and participate in social networking, enhancing communication and interaction among users.