Clifford likes dogs. He wondered how much dog owners spend on their dogs in a ye

Question

Clifford likes dogs. He wondered how much dog owners spend on their dogs in a year. He hypothesized that dog owners spend more than $1000 a year on their dogs, on average. He sampled 75 dog owners in a local community and found that these 75 dog owners spent an average $1075 on their dogs in a year. Suppose sigma _x = $175. Assume that these 75 dog owners are representative of all dog owners in terms of amount spent on their dogs in a year. The p-value is 0.0001. What conclusion should be made? Choose the correct answer below. A. There is strong evidence that dog owners in the study spend more than $1000 on their dogs each year, on average. B. There is strong evidence that all dog owners spend more than $1000 on their dogs each year, on average. C. There is strong evidence that all dog owners spend more than $1075 on their dogs each year, on average. D. There is not enough evidence to conclude that all dog owners spend more than $1000 on their dogs each year, on average.

Explanation / Answer

for question

P_value = 0.007
Since P_value < 0.05,

hence reject H0
So, we conclude that dog owners spend more than $1050 a year on their dogs.

answer is
-There is strong evidence to indicate that dog owners spend more than $1050 on average

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