As I was confused with this earlier, the question was saying that a memory training course helps police trainees remember license plate numbers. The claim is that the trainees remember more license plates after taking the course.

4. A memory training course helps police trainees remember license plate numbers. The claim is that the trainees remember more license plates after taking the course. Trainee l 2 3 4 5 6 7 No. of plates identied 6 5 6 5 7 5 4 before course No. of plates identied 6 8 6 7 9 8 6 after course Conduct the correct test compare the mean number of license plate remembered before the course to the mean numbered recalled after the course. Use a = .01 a. Mean OR Proportion problem? b. Is this a one sample problem OR a two sample problem? c. Explain how the assumptions [or requirements) are met. (1. Appropriate parameters : For Proportion problems: provide 33 , x and n For Means problems: provide if, n and 51 (whether one or two samples) e. Hypotheses Ho : H1: f. Run the test: t or z stat: p-value = g. Conclusion: h. Interpret the conclusion