1. After years of teaching driver`s education, an instructor knows that students make accidents and hitting the orange cones with an average of = 10.5 while driving the obstacle course in their final exam. The distribution of run-over is approximately normal with standard deviation of = 4.8. To test a theory about text messaging and driving, the instructor recruits a sample of n= 16 student drivers to attempt the obstacles course while sending a text message. The individuals in this sample hit an average of M= 15.9 cones.
2. Do the data indicate that texting has a significant effect on driving? Test with = .01
3. Write a sentence describing the outcome of the hypothesis test as it would appear in a research report?
4. Calculate the z-scoreof the following once for the population and once for the sample:
5. X = 12 hits
6. X = 2 hits