« previous next »

Author Question: If a sample mean is different from a particular population , we can conclude that the sample mean ... (Read 33 times)

penguins

  • Hero Member
  • *****
  • Posts: 903
on: Jun 20, 2018
If a sample mean is different from a particular population , we can conclude that the sample mean probably represents some other population or that
 
  a. the sample mean does not represent the sample statistic.
  b. an error was made in calculating the sample mean.
  c. an error was made in calculating standard error.
  d. the sample mean occurred as a result of sampling error.

Question 2

Why do we perform inferential statistics?
 
  a. Because we know our sample is not representative.
  b. Because it is possible we are being misled by sampling error.
  c. Because we want to describe the characteristics of the population.
  d. Because we need to be certain we make the correct decision.


Kedrick2014

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Sample Exercise Program for Healthy Older Adults (cont.) Sample Exercise Program for Healthy Older Adults (cont.)
The Inverted Income Pyramid: The Proportion of Income Received by Each Fifth of the U.S. Population The Inverted Income Pyramid: The Proportion of Income Received by Each Fifth of the U.S. Population
Three Population Pyramids Three Population Pyramids
(a) A turbidometry detector measures laser light directly across from the light source. The sample, ... (a) A turbidometry detector measures laser light directly across from the light source. The sample, ...
Population growth and growth rate, 1950 - 2100 Population growth and growth rate, 1950 - 2100
A sample of reef biodiversity A sample of reef biodiversity
Video: Conjunctivitis

For a complete list of videos, visit our video library