A Researcher Asks 20 People to Take a Sip of Two

question 132

Multiple Choice

A researcher asks 20 people to take a sip of two different colas (first Coke and then Pepsi) and rate the flavor of both. In analyzing this data, how should the null hypothesis be stated?

• A) H₀: µ_D ≠ 0
• B) H₀: µ_D = 20
• C) H₀: Coke = Pepsi
• D) H₀: µ_D = 0

---

Definitions:

Research And Development

A set of activities undertaken to improve existing products, services, or processes, or to create new ones.

Net Income

The amount of money remaining after all operating expenses, taxes, and interest are deducted from total revenue.

Research And Development

Activities undertaken by companies to innovate and introduce new products or processes, often involving substantial investment in technology and human resources.

Patent

A Patent is an exclusive right granted to an inventor to make, use, or sell an invention for a certain number of years, protecting it from unauthorized use or replication.