The state enacts a new driving policy in which teenagers under the age of 18 are only allowed to drive with one other teenager in the car at a time. A researcher wants to examine whether the number of car accidents among teenagers decreased after the policy was implemented. She compares the number of teen-driver accidents before and one year after the policy went into place.
1.What is the most appropriate test statistic to use to test the hypothesis in scenario 5?
A)Correlation Coefficient
B)One sample Z-test
C)Regression Analysis
D)P-test
E)One-way ANOVA
F)F-test
G)T-test for the significance of the correlation coefficient
H)Independent samples t-Test
I)Z-score
J)Dependent samples t-Test
2.What is the null hypothesis for scenario 5?
3.What is the alternative hypothesis for scenario 5?
4.What is the independent variable for scenario 5?
5.What is the dependent variable for scenario 5?