This topic contains a solution. Click here to go to the answer

Author Question: A convenience sample is a sample that can be easily and simply obtained with random selection. ... (Read 95 times)

Arii_bell

  • Hero Member
  • *****
  • Posts: 596
A convenience sample is a sample that can be easily and simply obtained with random selection.
  Indicate whether the statement is true or false

Question 2

Which of the following statements is true when small samples are used to estimate the true population mean where the population standard deviation is unknown?
 a. The standard normal distribution must be used to obtain the critical value.
  b. The t distribution must be used to obtain the critical value.
  c. The margin of error for the confidence interval estimate tend to be very small.
  d. All of these.
  e. None of these.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Juro

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

F

Answer to Question 2

B





 

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

For a complete list of videos, visit our video library