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 224 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?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Population genetics sample question Population genetics sample question
Sample Student Externship Form Sample Student Externship Form
Performing Venipuncture Using the Vacutainer Method Performing Venipuncture Using the Vacutainer Method
Neural tissue that has been stained by the Golgi method. Because only a few neurons take up the ... Neural tissue that has been stained by the Golgi method. Because only a few neurons take up the ...
Delta Method Solution Delta Method Solution
Discrete random variables- Probability Distribution Function Discrete random variables- Probability Distribution Function
Video: Protein digestion - stomach & small intestine

For a complete list of videos, visit our video library