Author Question: A histogram is an effective tool for graphically describing a joint frequency distribution. ... (Read 91 times)

mia

  • Hero Member
  • *****
  • Posts: 564
A histogram is an effective tool for graphically describing a joint frequency distribution.
 
  Indicate whether the statement is true or false

Question 2

The following samples are observations taken from the same elements at two different times:
 
  Unit Sample 1 Sample 2
  1 15.1 4.8
  2 12.3 5.7
  3 14.9 6.2
  4 17.5 9.4
  5 18.1 2.3
  6 18.4 4.7
 
  Assume that the populations are normally distributed and construct a 90 confidence interval for the difference in the means of the distribution at the times in which the samples were taken.
  A) (7.6232, 13.4434)
  B) (5.2825, 15.8127)
  C) (6.8212, 14.7821)
  D) (7.4122, 14.6801)



heinisk01

  • Sr. Member
  • ****
  • Posts: 329
Answer to Question 1

FALSE

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

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

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

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?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

For a complete list of videos, visit our video library