Kamila wants a puppy. She and her family want to estimate the mean lifespan, in years, of all dog breeds registered with the American Kennel Association. Kamila selects a random sample of 8 registered dog breeds and looks up their estimated lifespan on the internet. The results are shown.

13 11 12 14 12 10 11 12
Part A

What is the mean for Kamila's sample? Round your answer to the nearest tenth.

The mean lifespan for dogs from Kamila's sample is what
years.

​

​Part B

​

​If Kamila took another random sample of 8 dog breeds, how would the mean likely compare to the mean of her first sample? How would the mean likely compare if she took several random samples of 8 dog breeds? Select your answers from the drop-down lists.

​

​The sample mean of another random sample would likely be the same as or different than
the first sample mean.

​The sample means of several random samples would likely be the same valuesordifferent values
.