Hypothesis

Tags

PAS

Cegep/2

Word count

125 words

Reading time

1 minute

In statistics, statement about the numerical value of a population parameter

Types

Null hypothesis

Hypothesis assumed to be true unless the data provides convincing evidence that it is false
Usually represents the status quo
Sym. $H_0$

Must contain equality ($\ge ,\le ,=$)

Alternative hypothesis

Hypothesis assumed to be true only if the data provides convincing evidence that it is true
Usually represents the challenging view the researcher tries to support
Sym. $H_1$ or $H_a$

Must not contain equality ($>,<,\ne$)

Examples

From the city's perspective regarding whether a pipe meets the minimum breaking strength of 2400, state $H_0$ and $H_1$.

$$\begin{array}{r}{H}_0:\mu \le 2400\\ H_1:\mu >2400\end{array}$$

Contributors

Ajitani Hifumi

Changelog

Last edited about 2 hours ago

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