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You are informed that Quiz no.4 will be started according to the following schedule;
Opening Date and Time of Quiz August 11, 2014 at 12:01AM
Closing Date and Time of Quiz August 12, 2014 at 11:59PM
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1. all of above
2. 39
3. The probability distribution of sample statistic
4. u1-u2
5.
6. binomial expression
7. 0
8. sample mean
Here goes my 4th Quiz
By Juste
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Suppose the population of all scores from this class has a mean of 72% and a standard deviation of 12%. For a random sample of 36 students, the distribution of sample mean has a mean of ___ and a standard deviation of ___:
72, 2
To test the hypothesis about the difference of means for large samples, what test statistic will be used?
Chi-square
A statistic whose standard deviation decreases with an increase in sample size will be called:
Efficient
In sampling without replacement; fpc is not used when:
n>0.05N
The method of Maximum Likelihood (ML) is used to find out:
Random numbers
Consistency is a ....... property.
Large sample
Conventionally, the probability of making a type-II error is denoted by:
ß (beta)
To test the hypothesis about the difference of means for small samples, test statistics will be used:
T-test
A failing student is passed by an examiner. It is an example of:
Type II error
The limitation of point estimation is that:
There is no way of ascertaining how close the point estimate to parameter?
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