« previous next »

Author Question: The number of hours a college student spent studying during the final exam week was recorded as ... (Read 196 times)

itsmyluck

  • Hero Member
  • *****
  • Posts: 546
on: Aug 1, 2018
The number of hours a college student spent studying during the final exam week was recorded as follows: 7, 6, 4, 9, 8, 5, and 10 . Compute s2 and s for the data and express the numbers in the appropriate unit.

Question 2

In terms of random variation and assignable variation, what is meant by the statement, The process is in control?


underwood14

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Aug 1, 2018
Answer to Question 1

s2 = 4.667 (hours)2 and s = 2.160 hours

Answer to Question 2

The process is considered to be in control if the variation in the sample statistic is judged to be the result of random variation alone.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Exam 1 Exam 1
bimanual exam bimanual exam
Temperature cycles for 24 hours Temperature cycles for 24 hours
Three possible phylogenies for the australopithecines with Au. anamnesis as the stem ancestor and re Three possible phylogenies for the australopithecines with Au. anamnesis as the stem ancestor and re
Cross-sectional data showing that the amount of effort spent on personal health care increases with Cross-sectional data showing that the amount of effort spent on personal health care increases with
Psalter and Hours of Bonne of Luxembourg, Duchess of Normandy Psalter and Hours of Bonne of Luxembourg, Duchess of Normandy
Video: Brain Lobes Animation

For a complete list of videos, visit our video library