Assume that these 65 dog owners are representative of all

Reference no: EM13608745

Clifford likes dogs. He wondered how much dog owners spend on their dogs in a year. He hypothesized that dog owners spend more than $900 a year on their dogs, on average. He sampled 65 dog owners in a local community and found that these 65 dog owners spent on average $950 on their dogs in a year. Suppose sigma x=$155. Assume that these 65 dog owners are representative of all dog owners in terms of amount spend on their dogs in a year.

Calculate the z-statistic (round 2 decimals)

Reference no: EM13608745

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