Author Question: A histogram is an effective tool for graphically describing a joint frequency distribution. ... (Read 83 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?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

For a complete list of videos, visit our video library