« previous next »

Author Question: A sample of 75 information system managers had an average hourly income of 40.75 with a standard ... (Read 245 times)

ericka1

  • Hero Member
  • *****
  • Posts: 544
on: Jun 24, 2018
A sample of 75 information system managers had an average hourly income of 40.75 with a standard deviation of 7.00 . The 95 confidence interval for the average hourly wage of all information system managers is
 a. 40.75 to 42.36
  b. 39.14 to 40.75
  c. 39.14 to 42.36
  d. 30 to 50

Question 2

A sample of 75 information system managers had an average hourly income of 40.75 with a standard deviation of 7.00 . The value of the margin of error at 95 confidence is
 a. 80.83
  b. 7
  c. 0.8083
  d. 1.611


asware1

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Urinary System Urinary System
Conduction system of the heart. Conduction system of the heart.
The digestive system. The digestive system.
The Ventricular System of the Brain The Ventricular System of the Brain
Anatomy of the urinary system. Anatomy of the urinary system.
Household Income in the United States by Quintiles, 2009 Household Income in the United States by Quintiles, 2009
Video: Digestive chemicals - types & enzymes

For a complete list of videos, visit our video library