9, A statistically significant difference PROVES that the IV impacts the DV. True b. False 10. Keesia is working on her in-class stats assignment. Before entering her data for a set of credits completed by students in her sample, she notes that all response fall between 15 and 47. When she calculates her descriptive statistics in Excel, she finds a mean of 30.6 and a standard deviation of 5.33. Is the value of her mean possible? a. Yes b. No H