« previous next »

Author Question: Selecting a subset of clusters and then collecting data on all elements in those clusters is ... (Read 82 times)

OSWALD

  • Hero Member
  • *****
  • Posts: 580
on: Jun 24, 2018
Selecting a subset of clusters and then collecting data on all elements in those clusters is referred to as _____ cluster sampling.
 a. stratified
  b. convenient
  c. single-stage
  d. two-stage

Question 2

Chebysheff's Theorem states that the percentage of measurements in a data set that fall within three standard deviations of their mean is:
 a. 75.
  b. at least 75.
  c. 89.
  d. at least 88.9.


lgoldst9

  • Sr. Member
  • ****
  • Posts: 372
Reply #1 on: Jun 24, 2018
Answer to Question 1

c

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

The phosphorus cycle. Numbers are 1012 g P or fluxes as 1012 g P per year (data from Schlesinger 199 The phosphorus cycle. Numbers are 1012 g P or fluxes as 1012 g P per year (data from Schlesinger 199
Important Trace Elements in the Body Important Trace Elements in the Body
Distribution of Thunderstorms: Detailed data on cloud-to-ground lightning flashes have been ... Distribution of Thunderstorms: Detailed data on cloud-to-ground lightning flashes have been ...
How to fit an exponential model to data How to fit an exponential model to data
Common sequence features in integrated retroviruses and other eukaryotic transposable elements Common sequence features in integrated retroviruses and other eukaryotic transposable elements
Type III curve. Mortality is highest early in life. Data for a desert shrub (Cleome droserifolia). Type III curve. Mortality is highest early in life. Data for a desert shrub (Cleome droserifolia).
Video: Introduction to Herpes

For a complete list of videos, visit our video library