The median weight of 9 dogs in a pet store is 10 pounds. Which action could change the median? CLEAR CHECK An 11 -pound dog gains 1 pound. An 8 -pound dog loses 2 pounds. The store gets a new 10 -pound dog. The store gets a new 8 -pound dog.

The action that could change the median weight of the dogs is if the store gets a new 8-pound dog. This would lower the median weight of the dogs because the new dog is lighter than the current median weight of 10 pounds.