abrown3285 abrown3285

24-01-2018
Social Studies

contestada

Determine whether the given description corresponds to an observational study or an experiment. in a study of 448448 childrenchildren with a particular disease, the subjects completed a survey aboutcompleted a survey about their diet.their diet. does the given description correspond to an observational study or an experiment?

Respuesta :

samroberts911 samroberts911

24-01-2018

I'd say that the answer is observational study because they're just analyzing the data and if it were an experiment they'd be taking data and comparing it.

Answer Link

Otras preguntas

1. A correlation where the x-value increases and the y-value increases is called a correlation Opositive correlation Ozero correlation Onegative correlation

Staring from rest, a sphere rolls down an incline of 30 degree. The value of static friction if there is to be no slippin is 2/k mg sinθ, find the value of k.

Acceleration due to gravity at earth's surface if 'g' m/s². Find the effective value of acceleration due to gravity at a height of 32 km from sea level : (Re=64

f) A large strange looking box is left in the hotel lobby. Nobody saw who delivered it and there is no delivery note.

In addition to foreign travel, those with SCI access must: a) Attend training sessions b) Pass a security clearance c) Submit a research proposal d) Undergo

A Monatomic gas undergoes a cyclic process the ideal gas follows the equation t is equals to pv square during

giving all my points! please help at 18 years old, starting with $0, you begin saving $100 per month, with a 10% annual return. if you wait to start saving the

Consider the function f(x). Which of the following would include a vertical compress (shrink) of f(x)? Select all that apply.

Substances that resist the passage of an electric current are known as? 1) Insulators 2) Conductors 3) Semiconductors 4) Superconductors

How many 4-digit numbers, strictly greater than 4321, can be formed using the digits 0, 1, 2, 3, 4, 5?a) 120b) 240c) 360d) 480