Q. A clinical psychologist is treating 25 patients with clinical depression. She wants to find out whether se patients score differently than general population on an emotional response scale with a population mean μ = 9.5. She is only interested in whether there is a difference, but not in direction of difference at this point. Open "Data Set 7" attachment under "Excel Homework 7" header located in Assignment Instructions folder also perform a single-sample t-test to evaluate this hypothesis.