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

Author Question: Stratified random sampling is a method of selecting a sample in which _____. a. the sample is first ... (Read 242 times)

tuffie

  • Hero Member
  • *****
  • Posts: 534
on: Jun 24, 2018
Stratified random sampling is a method of selecting a sample in which _____.
 a. the sample is first divided into strata, and then random samples are taken from each stratum
  b. various strata are selected from the sample
  c. the population is first divided into strata, and then random samples are drawn from each stratum
  d. None of the answers is correct.

Question 2

The value of the standard deviation may be either positive or negative, while the value of the variance will always be positive.
  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

lorealeza77

  • Sr. Member
  • ****
  • Posts: 356
Reply #1 on: Jun 24, 2018
Answer to Question 1

c

Answer to Question 2

F


tuffie

  • Hero Member
  • *****
  • Posts: 534
Reply #2 on: Jun 24, 2018
Thank you


lorealeza77

  • Sr. Member
  • ****
  • Posts: 356
Reply #3 on: Jun 24, 2018
No problemo


« previous next »
 

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Graphic summary of the scientific method. Graphic summary of the scientific method.
scientific method scientific method
Sample Exercise Prescription for Weight Training: Advanced Sample Exercise Prescription for Weight Training: Advanced
A sample flow sheet. A sample flow sheet.
Performing Venipuncture Using the Vacutainer Method Performing Venipuncture Using the Vacutainer Method
A sample of 400 observations will be taken from an infinite population. The population ... A sample of 400 observations will be taken from an infinite population. The population ...
Video: Deglutition

For a complete list of videos, visit our video library