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

Author Question: A researcher is attempting to determine the average annual expenditures per household on compact ... (Read 64 times)

burton19126

  • Hero Member
  • *****
  • Posts: 532
on: Jun 29, 2018
A researcher is attempting to determine the average annual expenditures per household on compact discs. Suppose 600 was considered the upper limit and 0 the lower limit. There are no past studies on which to base an estimate of . What is your best estimate of the standard deviation?
 a. 120
  b. 200
  c. 100
  d. 300
  e. No way to determine.

Question 2

If the estimated range of incomes for 30 medium size businesses is 60,000, a rough estimate of one standard deviation would be
 a. 10,000.
  b. 12,000.
  c. 8,000.
  d. 8,500.
  e. 9,000.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lcapri7

  • Sr. Member
  • ****
  • Posts: 350
Reply #1 on: Jun 29, 2018
Answer to Question 1

C

Answer to Question 2

a


burton19126

  • Hero Member
  • *****
  • Posts: 532
Reply #2 on: Jun 29, 2018
Correct answers!


lcapri7

  • Sr. Member
  • ****
  • Posts: 350
Reply #3 on: Jun 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Functional MRI Scans These scans of human brains show localized average increases in neural activity Functional MRI Scans These scans of human brains show localized average increases in neural activity
Average Normal Blood Pressure Readings Average Normal Blood Pressure Readings
How to determine if a table of values represents a linear or quadratic relationship How to determine if a table of values represents a linear or quadratic relationship
In plant fossils, leaf margin is used to estimate mean annual temperature In plant fossils, leaf margin is used to estimate mean annual temperature
What would your average (mean) number of cells per cluster be? What would your average (mean) number of cells per cluster be?
Determine the mass of a nonvolatile, nonionizing compound that must be added to 4.76 kg of ... Determine the mass of a nonvolatile, nonionizing compound that must be added to 4.76 kg of ...
Video: Conjunctivitis

For a complete list of videos, visit our video library