A researcher conducts an independentmeasures ttest to study the effectiveness of a group exercise program at an assisted living facility for elderly adults. One group of residents is selected to participate in the program, and a second group serves as a control. After 6 weeks, the researcher records a combined score measuring combined balance and strength for each individual. The data are as follows: Control Exercise 6 19 13 9 8 18 4 10 13 12 4 14 1 1 19 5 1 1 Does the exercise program have a signicant effect? Write the null and alternative hypotheses 1pt. State the degrees of freedom and critical value 1p. Calculate the statistic (9pts) Use an alpha level of .05, two-tailed test. Write the statistical decision (reject/fail to reject) and the study conclusion (lpt)