Ordinary kriging overcomes which of the following problems that can occur with simple kriging? a. the true global mean is rarely known b. all of the other choices c. the local mean within the search neighborhood may vary over the region of interest d. the assumption of first-order stationarity may not be strictly valid

Arthur met rottweiler breeders lynda and george at a dog show in rhode island. the couple, who reside in new york state, later sold several rottweiler dogs to arthur who lived in rhode island. arthur later sued lynda and george, claiming that the dogs were sick and infirm. he filed a complaint in rhode island courts, claiming that even though the dogs were sold in new york, the breeders had attended the dog show and advertised in the rottweiler newsletter which was distributed at the event in rhode island. based on the facts, do you think rhode island courts have personal jurisdiction in this case?