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 subscript xequals$175. assume that these 75 dog owners are representative of all dog owners in terms of amount spent on their dogs in a year. which hypothesis test should be used?