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1 
Statistical Inference

A statement using inormation from a sample to draw conclusions about a population.


2 
Sampling distributuion of the sample

Is the prob. distrib. of all possible values of the random variable x computed from a sample...


3 
Law of Large Numbers

As additional observations are added to the sample, the difference between the sample mean,...


4 
Standard error of the mean

the standard deviation of the sampling distribution of x.


5 
Central Limit Theorem

Regardless of the shape of the pop., the sampling distrib.of x becomes approx. normal as the...


6 
The Shape of the Sampling Distr. of x
If X is Normal

If a random variable X is normally distributed, the distrb. of the sample mean, x, is normally...


7 
Exponential Density Function

Used


8 
What is used to conclude the sampling distribution of x, in a histogram

Shape
Center
Spread


9 
Sample Proportion

Is a statistic that estimates the population proportion,p.


10 
Sampling Distribution of p

For a simple random sample size n such that n 0.05N(that is sample size is less than or equal...
