Question

he mean area of the two thousand apartments in a newly developed complex is advertised to be 1500 square feet. A group ten of tenants thinks that the apartments are smaller than advertised. Assuming a standard deviation for all the apartments is 200 square feet, they hire an engineer to measure a sample of apartments to test their suspicion.

Set up the null and alternative hypotheses:

H_o: μ  (Click to select)  ≥  ≤  ≠  >  <  =     vs. H_a: μ  (Click to select)  <  >  =  ≠  ≤  ≥  

This is a  (Click to select)  two-tailed test  one-tailed test

Answer 1