Question

To illustrate the effects of driving under the influence (DUI) of alcohol, a police officer brought a DUI simulator to a local high school. Student reaction time in an emergency was measured with unimpaired vision and also while wearing a pair of special goggles to simulate the effects of alcohol on vision. For a random sample of nine teenagers, the time (in seconds) required to bring the vehicle to a stop from a speed of 60 miles per hour was recorded. Complete parts (a) and (b).Note: A normal probability plot and box plot of the data indicate that the differences are approximately normally distributed with no outliers.

Use a 95% confidence interval to test if there is a difference in braking time with impaired vision and normal vision where the differences are computed as "impaired minus normal."

subject 1. 2. 3. 4. 5. 6. 7. 8. 9.

normalX 4.49. 4.34. 4.58. 4.65. 4.31. 4.80. 4.59. 5.00. 4.79.

impairedY. 5.77. 5.85. 5.45. 5.29. 5.90. 5.49. 5.23. 5.63. 5.63.

The lower bound is ?.

the upper bound is ?.

Answer #1

To illustrate the effects of driving under the influence (DUI)
of alcohol, a police officer brought a DUI simulator to a local
high school. Student reaction time in an emergency was measured
with unimpaired vision and also while wearing a pair of special
goggles to simulate the effects of alcohol on vision. For a random
sample of nine teenagers, the time (in seconds) required to bring
the vehicle to a stop from a speed of 60 miles per hour was...

To illustrate the effects of driving under the influence (DUI)
of alcohol, a police officer brought a DUI simulator to a local
high school. Student reaction time in an emergency was measured
with unimpaired vision and also while wearing a pair of special
goggles to simulate the effects of alcohol on vision. For a random
sample of nine teenagers, the time (in seconds) required to bring
the vehicle to a stop from a speed of 60 miles per hour was...

To illustrate the effects of driving under the influence (DUI)
of alcohol, a police officer brought a DUI simulator to a local
high school. Student reaction time in an emergency was measured
with unimpaired vision and also while wearing a pair of special
goggles to simulate the effects of alcohol on vision. For a random
sample of nine teenagers, the time (in seconds) required to bring
the vehicle to a stop from a speed of 60 miles per hour was...

To illustrate the effects of driving under the influence (DUI)
of alcohol, a police officer brought a DUI simulator to a local
high school. Student reaction time in an emergency was measured
with unimpaired vision and also while wearing a pair of special
goggles to simulate the effects of alcohol on vision. For a random
sample of nine teenagers, the time (in seconds) required to bring
the vehicle to a stop from a speed of 60 miles per hour was...

To illustrate the effects of driving under the influence (DUI)
of alcohol, a police officer brought a DUI simulator to a local
high school. Student reaction time in an emergency was measured
with unimpaired vision and also while wearing a pair of special
goggles to simulate the effects of alcohol on vision. For a random
sample of nine teenagers, the time (in seconds) required to bring
the vehicle to a stop from a speed of 60 miles per hour was...

Subject
1
2
3
4
5
6
7
8
9
Normal, Upper X Subscript iXi
4.494.49
4.344.34
4.584.58
4.564.56
4.314.31
4.834.83
4.594.59
5.005.00
4.794.79
Impaired, Upper Y Subscript iYi
5.775.77
5.675.67
5.515.51
5.295.29
5.905.90
5.495.49
5.235.23
5.615.61
5.635.63
To illustrate the effects of driving under the influence (DUI)
of alcohol, a police officer brought a DUI simulator to a local
high school. Student reaction time in an emergency was measured
with unimpaired vision and also while wearing a pair of...

A high school wanted to teach students about the effects of
driving while under the influence. A police officer allowed
students to wear special goggles that simulated the effects of
driving while impaired. A random sample of eight students was
selected. The reaction time it took for each student to stop from a
speed of 55 mph was recorded while the student was not wearing the
goggles (unimpaired) and then again while wearing the goggles
(impaired). Construct a 95% confidence...

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