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7 Examples of Null Hypothesis - ThePhDHub

Examples of Null Hypothesis

Nov 25, 2022

Image credit: Unsplash.

Tasneem Gandhi

A null Hypothesis is defined as a statistical theory that states that there is no relation between two sets of observations.

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Here are some examples of Null Hypothesis

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Example 1:

When a sparrow is given two choices of food which are different in shape, then the selection of food by the sparrow is independent of the shape.

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Example 2:

Two persons of age 10 and 40 are learning guitar. Their learning ability is independent of their age.

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Example 3: 

Two plants are given different types of water. There is no relation between the difference in the growth of two plants and the type of water used.

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Example 4: 

Hair fall can be controlled by bed rest. Bed rest and relief from hair loss are two different entities and independent of each other.

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Example 5: 

Women are more interested in exercise than men. To be interested in exercise is not related to gender.

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Example 6:

The more text is highlighted, it helps to score more marks in exams. There is no relation between the highlighted text and scoring more marks.

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Example 7: 

Flossing the teeth reduces cavities. There is no relation between flossing and a reduction in cavities.

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8 Types of Hypothesis