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

Author Question: The US Census Bureau collected data on family composition and found that samples from different ... (Read 90 times)

danielfitts88

  • Hero Member
  • *****
  • Posts: 535
on: Jun 20, 2018
The US Census Bureau collected data on family composition and found that samples from different parts of the country gave very different results for the mean number of family members living in households. If all of the data were combined to one data set,
 
  a. the standard deviation of number of family members would probably be very small.
  b. the standard deviation of number of family members would probably be relatively high.
  c. the interquartile range would be small.
  d. the median would equal the mean.

Question 2

A data set of intelligence scores was collected from high school seniors. The IQ scores ranged from 82 to 113. Which of the following is probably NOT a reasonable estimate of the standard deviation?
 
  a. 6.2
  b. 4.7
  c. 35.4
  d. All of the above are reasonable estimates.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

milbourne11

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

C


danielfitts88

  • Member
  • Posts: 535
Reply 2 on: Jun 20, 2018
Great answer, keep it coming :)

pangili4

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

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.

The family tree of HIV and related viruses The family tree of HIV and related viruses
Elisabetta Sirani, The Holy Family with a Kneeling Monastic Saint. Elisabetta Sirani, The Holy Family with a Kneeling Monastic Saint.
The data link connector (DLC) can be located in various locations. The data link connector (DLC) can be located in various locations.
A sampling of the modified and unusual bases found in tRNAs A sampling of the modified and unusual bases found in tRNAs
Apple's Family Apple's Family
Video: Bacteriophage (Virus) - Mice Experiment

For a complete list of videos, visit our video library