Entries by Munene david

What is a Null Hypothesis? – Definition & Examples

May 3, 2020 in /by

This lesson will give the definition of a null hypothesis, as well as an alternative hypothesis. Examples will be given to clearly illustrate the concept of a null hypothesis versus an alternative hypothesis. What Is a Null Hypothesis? A hypothesis is a speculation or theory based on insufficient evidence that lends itself to further testing and experimentation. […]

 

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What Is the Chemical Equation for Cellular Respiration?

May 3, 2020 in /by

This lesson will go over the basics of cellular respiration and its chemical equation, discussing how this equation can be balanced and what its reactants and products are. Cellular Respiration Take a deep breath, then release the air out. When you do this, you are taking in oxygen and releasing carbon dioxide, two important gasses […]

 

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Return on Investment: Definition, Formula & Example

May 3, 2020 in /by

Return on investment is a crucial analytical tool used by both businesses and investors. In this lesson, you’ll learn the basic formula, discover a variant used for shareholders, and be provided examples. ROI Defined Return on investment (ROI) is the ratio of a profit or loss made in a fiscal year expressed in terms of an […]

 

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What Are the Seven Elements of Art? – Definition & Examples

May 3, 2020 in /by

The elements of art are the building blocks of all art. Every piece of art ever created includes one or more of these elements. Learn about line, color, shape, form, value, space, and texture. Defining the Elements Have you ever looked at an artwork and wondered how the artist decided to begin making it? All […]

 

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