The population has a mean of 30 and a standard deviation of 6. The sample size is N=9. What is the mean and variance of the sampling distribution of the mean

Sediment layers stop lateral spreading when: they encounter a barrier they encounter an opposing current they run out of additional sedimentary material

How do disease caused by bacteria and disease caused by viruses react to antibiotics?

Match each term to its scientific definition. a)natural world b)scientific method c)theory 1) everything that can be observed or explained scientifically 2) a well-supported explanation of all the evidence related to a natural phenomenon 3) the procedure of scientific inquiry used to investigate natural phenomena