All random samples of size n = 9 are selected from a normal population with u = 55 and o = 10, and the mean is computed for each sample. Then, all the possible samples of size n = 36 are selected from...

Extracted text: All random samples of size n = 9 are selected from a normal population with u = 55 and o = 10, and the mean is computed for each sample. Then, all the possible samples of size n = 36 are selected from the same population, %3D and the mean is computed for each sample. Which statement below is true. a. The distribution of sample means for samples of n = 9 is less variable than the distribution of sample means for n = 36. b. The distribution of sample means for n = 9 has a smaller mean than the distribution of sample means for n = 36. c. The distribution of sample means for n = 36 has a smaller mean than the distribution of sample means for n = 9. d. The distribution of sample means for samples of n = 36 is less variable than the distribution of sample means for n = 9.