« previous next »

Author Question: If a sample mean is different from a particular population , we can conclude that the sample mean ... (Read 23 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?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

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

Rapid population growth of geese has resulted in extensive areas of La Perouse Bay becoming d Rapid population growth of geese has resulted in extensive areas of La Perouse Bay becoming d
Blood glucose measurement. A postprandial test may be self-administered. (a) A lance pierces the ski Blood glucose measurement. A postprandial test may be self-administered. (a) A lance pierces the ski
Risk of death from motorcycle accidents (dashed lines) and passenger accidents (solid lines) per 100 Risk of death from motorcycle accidents (dashed lines) and passenger accidents (solid lines) per 100
Sample Advance Directive Cont. Sample Advance Directive Cont.
Sample root cause analysis: Duplicate dose of a narcotic analgesic. Sample root cause analysis: Duplicate dose of a narcotic analgesic.
Time vs. USA Population Exponential Time vs. USA Population Exponential
Video: Stretch reflex & Tendon reflex

For a complete list of videos, visit our video library