Consider the following to answer the question(s) below:
Winnipeg Pet Plus believes that it has a market share of 25 percent of the local dog food market. It surveys 100 dog owners and ask whether or not it is their regular source of dog food, and 23 people say yes.
-At α = 0.05
A) We cannot conclude that the percentage of customers who buy their dog food regularly at Winnipeg Pet Plus is significantly different from 25%.
B) We can conclude that the percentage of customers who buy their dog food regularly at Winnipeg Pet Plus is equal to 25%.
C) We can conclude that the percentage of customers who buy their dog food regularly at Winnipeg Pet Plus is significantly lower than 25%.
D) We cannot conclude that the percentage of customers who buy their dog food regularly at Winnipeg Pet Plus is significantly lower than 25%.
E) We can conclude that the percentage of customers who buy their dog food regularly at Winnipeg Pet Plus is not significantly lower than 25%.

Question

Quizplus · Accepted Answer

The sample proportion is 23%, which is close to the hypothesized 25%. A hypothesis test at α = 0.05 would likely not show a significant difference, so we cannot conclude a significant difference from 25%.

Consider the Following to Answer the Question(s) Below