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 90 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?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Average winter rainfall and variation in rainfall among sites inhabited by Suromalus ater Average winter rainfall and variation in rainfall among sites inhabited by Suromalus ater
Edward Bellamy, author of the utopian novel Looking Backward (1888) Bellamy’s socialism worried many Edward Bellamy, author of the utopian novel Looking Backward (1888) Bellamy’s socialism worried many
How to determine an equation in factored form from a graphed parabola How to determine an equation in factored form from a graphed parabola
An old set of christmas tree lights have 30 lights, 20.6~ each in a series alignment. Determine ... An old set of christmas tree lights have 30 lights, 20.6~ each in a series alignment. Determine ...
Lone-parent household income and the degree of vulnerability Lone-parent household income and the degree of vulnerability
How can you determine if the glucose-aversion trait in cockroach? How can you determine if the glucose-aversion trait in cockroach?
Video: How does an animal choose what food to eat?

For a complete list of videos, visit our video library