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What is a hypothesis test

A hypothesis test is used for deciding if something is statistically significant or not. You begin stating your two hypotheses H0: Null hypothesisH1: Alternative hypothesisFor example in a linear regression,...
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Answered by David A. • Maths tutor
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Describe the process of semi-conservative replication and why is it so important?

The process of DNA replication involves unwinding the original DNA strand by the enzyme DNA helicase . This enzyme breaks the hydrogen bonds between complimentary bases forming two single strands of DNA. Eac...
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Answered by Neha M. • Biology tutor
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How do I find research for discursive writing?

Research for discursive essays can be found through websites, books and articles. Be sure to avoid using sources which are not academic (Wikipedia, etc). A good example of research for a discursive essay on ...
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Answered by Thomas B. • Russian tutor
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How does water move up the xylem vessel?

Hydrogen bonds between water molecules give water a ‘stick’ like property called cohesion. This means molecules of water are attracted to each other. Hydrogen bonds also form between water molecules and the ...
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Answered by Rehana B. • Biology tutor
4877 Views

How do I know which verbs take être in the passé composé.

Well, the easiest way to remember this is...For almost all non-reflexive verbs, you will use 'avoir' rather than être. There are however, some exceptions. A particularly useful way of remembering which ones ...
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Answered by Marc F. • French tutor
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