10. An experiment is conducted on the effect of providing leadership opportunities on teacher tenure. Teachers were randomly chosen to be provided with no leadership opportunities and advancement (business-as-usual) and ten were given leadership opportunities and advancement. The years of service for each teacher are recorded below. Does the intervention have a significant effect on years of service? No leadership Leadership opportunities opportunities 3 2 5 7 7 6 9 10 11 9 13 11 15 15 17 19 19 21 11. Create an example that would require the use of either a dependent or an independent sample t-test. The sample sizes should be between 10-20 observations. Write your hypothesis, conduct your test, and indicate your conclusion. Use Stata/Excel efficiently to conduct your test