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

Author Question: In developing an interval estimate, if the population standard deviation is unknown a. it is ... (Read 132 times)

tichca

  • Hero Member
  • *****
  • Posts: 554
on: Jun 24, 2018
In developing an interval estimate, if the population standard deviation is unknown
 a. it is impossible to develop the interval estimate.
   b. the standard deviation is arrived at using the range.
   c. the sample standard deviation must be used.
   d. it is assumed that the population standard deviation is 1.

Question 2

Gradual shifting or movement of a time series to relatively higher or lower values over a longer period of time is called
 a. seasonality.
  b. a cycle.
 c. indexing.
 d. trend.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bpool94

  • Sr. Member
  • ****
  • Posts: 354
Reply #1 on: Jun 24, 2018
Answer to Question 1

c

Answer to Question 2

d


tichca

  • Member
  • Posts: 554
Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

cam1229

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Epidemiologists look for the causes of disease, such as toxic waste and industrial pollution, at the Epidemiologists look for the causes of disease, such as toxic waste and industrial pollution, at the
Standard Laboratory Lipid Profiles Standard Laboratory Lipid Profiles
By how many times will the population of bacteria have increased after 6 h? By how many times will the population of bacteria have increased after 6 h?
How to write a quadratic equation in standard form when a graph is given How to write a quadratic equation in standard form when a graph is given
How to fully analyze the standard and factored form of a quadratic equation (Question 1) How to fully analyze the standard and factored form of a quadratic equation (Question 1)
Marking for Population Study Marking for Population Study
Video: Role of transport in a cell

For a complete list of videos, visit our video library