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 79 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
Excellent

steff9894

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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.

Examples of deep-sea corals found in the Sable Gully, 200 km off the coast of Nova Scotia. Examples of deep-sea corals found in the Sable Gully, 200 km off the coast of Nova Scotia.
Gomphidae is an Odonata family that contains about 90 genera and 900 species. They are commonly refe Gomphidae is an Odonata family that contains about 90 genera and 900 species. They are commonly refe
Dimensions for gathering data Dimensions for gathering data
Recognizing data clusters Recognizing data clusters
The greatest bone mass is found around age 30 for both men and women, with the later decline being f The greatest bone mass is found around age 30 for both men and women, with the later decline being f
Fluidization - Data Table of experiment Fluidization - Data Table of experiment
Video: Stomach peristalsis & Enterogastric reflex

For a complete list of videos, visit our video library