3. Police trainees were seated in a darkened room facing a projector screen. Ten different license planes were projected on the screen, one at a time, for 5 seconds each, separated by 15-second intervals. After the last 15-second interval, the lights were turned on and the police trainees were asked to write down as many of the 10 license plate numbers as possible, in any order at all. A random sample of 10 trainees who took this test where then given a week-long memory training course. They were then retested. The results are shown in the table below. After Before Person Training Training 1 6 4 8. 7 6 7 5 8. 6. 9. 7 8. 6. 8. 6. 4 10 2 Do these results provide evidence that the memory course improved the ability of the trainees to correctly identify license plates? Use a 0.05 level of significance. (Use After – Before.)

3. Police trainees were seated in a darkened room facing a projector screen. Ten different license planes were projected on the screen, one at a time, for 5 seconds each, separated by 15-second intervals. After the last 15-second interval, the lights were turned on and the police trainees were asked to write down as many of the 10 license plate numbers as possible, in any order at all. A random sample of 10 trainees who took this test where then given a week-long memory training course. They were then retested. The results are shown in the table below. After Before Person Training Training 1 6 4 8. 7 6 7 5 8. 6. 9. 7 8. 6. 8. 6. 4 10 2 Do these results provide evidence that the memory course improved the ability of the trainees to correctly identify license plates? Use a 0.05 level of significance. (Use After – Before.)

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

a. What are the H0 and HA?
b.What is the P-Value? Round to 4 decimal places.
c. Write a real world interpretation of this problem.

3. Police trainees were seated in a darkened room facing a projector screen. Ten different license planes
were projected on the screen, one at a time, for 5 seconds each, separated by 15-second intervals. After
the last 15-second interval, the lights were turned on and the police trainees were asked to write down
as many of the 10 license plate numbers as possible, in any order at all. A random sample of 10 trainees
who took this test where then given a week-long memory training course. They were then retested. The
results are shown in the table below.
After
Before
Person
Training
Training
1
6
4
2
8
7
5
4
7
5
5
5
8
6
7
7
8
6
8
9
4
10
Do these results provide evidence that the memory course improved the ability of the trainees to
correctly identify license plates? Use a 0.05 level of significance. (Use After – Before.)

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