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 ...
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 ...
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 ...