This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Reaction time is measured in a driving simulator for a random sample of 16 year-old boys (n = 12, = ... (Read 95 times)

mia

  • Hero Member
  • *****
  • Posts: 564
on: Jul 24, 2018
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
Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

D


mia

  • Member
  • Posts: 564
Reply 2 on: Jul 24, 2018
Excellent

ryansturges

  • Member
  • Posts: 338
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Sample Exercise Program for Healthy Older Adults (cont.) Sample Exercise Program for Healthy Older Adults (cont.)
Influence of substrate concentration on the rate of an enzyme-catalyzed reaction. Influence of substrate concentration on the rate of an enzyme-catalyzed reaction.
Weak bones cause the spine to collapse over time Weak bones cause the spine to collapse over time
) Random assortment of maternal (blue) and paternal (purple) chromosomes at metaphase ) Random assortment of maternal (blue) and paternal (purple) chromosomes at metaphase
Sample Inclusion for Various s Sample Inclusion for Various s
Video: Introduction to Macular Degeneration

For a complete list of videos, visit our video library