A Dentist Wants to Know If the Flavor of Toothpaste

question 24

Essay

A dentist wants to know if the flavor of toothpaste affects how often children brush their teeth, and therefore the number of cavities. She makes up 3 flavors of toothpaste, cherry, bubble gum and spinach and observes the following numbers of cavities at a 6-month check-up:
a. State H₁ .
b. State H₀ .
c. What is the value of MS_between ?
d. What is the value of MS_within ?
e. What is the value of F obt ?
f. What is the value of F crit , a = 0.05?
g. What do you conclude using a = 0.05?

---

Definitions:

Personal Selling

The two-way flow of communication between a buyer and seller, often in a face-to-face encounter, designed to influence a person’s or group’s purchase decision.

CFOs

Chief Financial Officers, the executives responsible for managing a company's financial actions.

GE Healthcare

A subsidiary of General Electric, specializing in medical technology and digital solutions for the healthcare industry.

Marketing Trends

Emerging patterns and shifts in marketing practices and strategies influenced by changes in technology, consumer behavior, and market dynamics.