Tagged Questions

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2answers
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Skewness, kurtosis and normality of a time series

I have a sample size of $21$ with $496$ observations.Can I presume an approximately normal distribution,and use a $t$-test to compare the difference in means, and difference in various financial ...
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1answer
315 views

What's a good normality test for time-series / sleep data?

I have data that is, at its most basic level, activity counts per minute of fruit flies. Flies are considered to be asleep when they have no activity for at least 5 minutes. The data essentially looks ...
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0answers
62 views

What are the implications of a regression model failing the JB normality test? [duplicate]

Possible Duplicate: Violation of normality assumption I fitted a regression model of exchange rate depending on domestic prices, output, interest rate and forein prices, output and interest ...