how can we do hypothesis testing to check if data is consistent.

how should i define my null hypothesis and alternate hypothesis?

how can we do hypothesis testing to check if data is consistent.

how should i define my null hypothesis and alternate hypothesis?

[quote=βshwetu, post:1, topic:8921β]

data is consistent.

[/quote]

How do you measure consistency?

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sanjayk , we calculate standard deviation but how we will do it for hypothesis testing.

One possibility :

- Null Hypothesis: \sigma^2=\sigma_0^2(where \sigma_0^2 is the value you have to fill in)

( β=β above can be β<β or β>β etc, depending on what you are looking for) - Draw a sample, letβs say of size
`n`

- Calculate sample variance, s followed by \chi^2 value with
`n`

degrees of freedom. - Finally, based on above accept or reject the Null Hypothesis for the required confidence level.