A research team wants to investigate the impact of increased sun exposure to a decrease in depression. In order to do so, the team gathers a SRS of 124 individuals with a sample average score on the Geriatric Depression Scale (GDS) of 7.5 from a population with =.4 after consistent sun exposure above 7 hours a day. Assume a clinical diagnosis for depression can only be given with a GDS score of 9.

A) Is the team correct in their hypothesis?

B) State and interpret your results.