This topic contains a solution. Click here to go to the answer

Author Question: Reaction time is measured in a driving simulator for a random sample of 16 year-old boys (n = 12, = ... (Read 105 times)

mia

  • Hero Member
  • *****
  • Posts: 564
Reaction time is measured in a driving simulator for a random sample of 16 year-old boys (n = 12, = 4.5, s = 1.1) and a random sample of 24 year-old young men (n = 9, = 2.9, s = 1.3). Calculate a 99 pooled confidence interval for the difference in mean reaction time (16 year-olds  24 year-olds).
 a. (0.48, 2.72)
  b. (0.51, 2.70)
  c. (0.07, 3.13)
  d. None of the above

Question 2

Which of the following statements best describes the relationship between a parameter and a statistic?
 a. A parameter has a sampling distribution with the statistic as its mean.
  b. A parameter has a sampling distribution that can be used to determine what values the statistic is likely to have in repeated samples.
  c. A parameter is used to estimate a statistic.
  d. A statistic is used to estimate a parameter.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

vickyvicksss

  • Sr. Member
  • ****
  • Posts: 351
Answer to Question 1

D

Answer to Question 2

D




mia

  • Member
  • Posts: 564
Reply 2 on: Jul 24, 2018
Wow, this really help


jamesnevil303

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

For a complete list of videos, visit our video library