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 MSbetween ?
d. What is the value of MSwithin ?
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?
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