what is degree of freedom

1- Degrees of freedom represent the number of ways in which the observed outcome categories are free to vary.

2- Degree of freedom refers to the minimum number of logically independent values, which are values that have the freedom to vary in the data sample.

3.Degrees of freedom represent the number of ways in which the observed outcome categories are restrict to vary.

Which one are correct statement?

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#Question id: 11277

#Unit 10. Ecological Principles

If a species is a keystone predator, then its removal from a community should

(A) Increase population size of the predator’s preferred prey

(B) decrease species diversity in the prey community

(C) decrease productivity of the predator’s preferred prey

(D) increase species diversity in the prey community

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#Question id: 19456

#Unit 13. Methods in Biology

Phase contrast, dark field microscopy are all light microscopy. These microscopes have their limit of resolution upto

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#Question id: 320

#Unit 1. Molecules and their Interaction Relevant to Biology

The aggregation of nonpolar molecules or groups in water is thermodynamically due to the

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#Question id: 10963

#Unit 7. System Physiology – Animal

During an inflammatory response, which is the correct order for cellular events?

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#Question id: 13123

#Unit 2. Cellular Organization

Match the correct one?

A- COPI                           i- vesicles transport proteins from the ER to the Golgi.

B- COPII                          ii- vesicles mainly transport proteins in the retrograde direction between Golgi cisternae and from the cis -Golgi back to the ER.

C- Clathrin                      iii- vesicles transport proteins from the plasma membrane (cell  surface) and the trans-Golgi network to late endosomes.