The mean age of the 18,600 students is 23 years with a standard deviation of 12.5. With a 0.05 significance level, what is the likelihood of finding a sample mean of 21.5 years from a sample size of 250?

combination resume is a combination of the functional and chronological resumes.

how is this health related

all soils contain mineral particles, organic matter, water and air the combinations determine the soil's properties – its texture, structure, porosity, chemistry and color. soil is made up of different-sized particles. sand particles tend to be the biggest.

answer; philip zimbardo;