A Marketing Firm Needs to Replace Its Existing Network Provider

question 49

Multiple Choice

A marketing firm needs to replace its existing network provider and is considering three different providers. A primary consideration is the amount of system downtime. The following table contains the amount of network downtime (in hours) for the last five months for each network provider. For the Kruskal-Wallis test, the competing hypotheses are ________.

• A) H₀: m_A = m_B = m_C; H_A: Not all population medians are equal
• B) H₀: m_A = m_B = m_C; H_A: m_A ≠ m_C
• C) H₀: m_A = m_B = m_C; H_A: m_A ≠ m_B
• D) H₀: m_A = m_B = m_C; H_A: m_B ≠ m_C

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Definitions:

Female-headed Families

Households led by women, often highlighted in discussions on poverty, social policy, and income support due to unique socioeconomic challenges.

Social Insurance

programs designed to provide financial protection against certain life risks (e.g., old age, disability, unemployment) funded by contributions from employers, employees, or both.

Social Security

A government program that provides financial assistance to people with little or no income, mostly the elderly or disabled.

Food Stamp Program

A government assistance program that provides low-income individuals and families with funds to purchase groceries, aiming to reduce hunger and improve nutrition.