statistics

Asked Nov 18, 2011, 04:41 PM —
normal distribution, t distribution, x^2 distribution, F distribution, F test and X^2 test
1. standard distribution used when variable is known
2. family of distribution used for small sample sizes less than N=30
3. test used for ratio of variance of 2 normally distributed population
4. changes its non negative and asymetric shape depending on degree of freedom
5. has both numarator and denominator degree of freedom
6. test ysed for variance of normally distributed population.

please help with those definitions...its matching questions. So confuse. Thanks

Check out some similar questions!

Statistics [ 0 Answers ]

Explain why it would not be reasonable to use estimation after a hypothesis test for which the decision was 'fail to reject the H'.

Statistics [ 1 Answers ]

A sample of n = 8 Olympic marksmen fire a serious of rounds while a researcher records heartbeats. For each marksman, the total score is recorded for shots fired during heartbeats and for shots fired between heartbeats. Do these data indicate a significant difference? Test with = .05....

Statistics [ 1 Answers ]

An auto assoc reports that the average time it takes to respond to an emergency call is 25 minutes. Assume the variable is approx normally distributed and the standard deviation is 4.5 minutes. If 95 calls are randomly selected, approx how many will be responded to in less than 24 minutes?