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

Author Question: The expected value of the difference of two sample means equals the difference of the corresponding ... (Read 103 times)

BrownTown3

  • Hero Member
  • *****
  • Posts: 564
on: Jun 24, 2018
The expected value of the difference of two sample means equals the difference of the corresponding population means when:
 a. the populations are normally distributed.
  b. the samples are independent.
  c. the populations are approximately normal and the sample sizes are large.
  d. All of these choices are true.

Question 2

The effect that business recessions and prosperity have on time series values is an example of the disaster component of a time series.
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bblaney

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

F


BrownTown3

  • Member
  • Posts: 564
Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

31809pancho

  • Member
  • Posts: 317
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

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?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Sample Diet for a College-Aged Female Weighing 132 Pounds, Assuming Light to Moderate Daily ... Sample Diet for a College-Aged Female Weighing 132 Pounds, Assuming Light to Moderate Daily ...
How People Match Their Goals to Their Means How People Match Their Goals to Their Means
Sample prescriptions of drugs for oral fungal infections. Sample prescriptions of drugs for oral fungal infections.
Expected Distribution of IQ Scores Expected Distribution of IQ Scores
Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ... Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ...
Sample hypnograms of an infant at ages 3, 12, and 24 months Sample hypnograms of an infant at ages 3, 12, and 24 months
Video: Generalized life cycles for plants and animals Animation

For a complete list of videos, visit our video library