Reeeeee

Which of these best describes a sampling distribution of a statistic?

each must have an equal chance of being selected and units must be selected independently of each other

High confidence levels provide large confidence intervals. One way to have high confidence and small margin of error is

A decision was made to increase the size of its random sample of voters from 1500 people to about 4000 people. Why?

subset of a population

The value of the ___________ is used to estimate the value of the population parameter.

If we change a 95% confidence interval estimate to a 99% confidence interval estimate, we can expect the _____.

list of elements that the sample will be selected from

Confidence Level and Confidence Coefficient are the same thing

The value of the _____ is used to estimate the value of the population parameter.

If you want to provide a 95% confidence interval for the mean of a population, the confidence coefficient is ___

What is the Z-Score for 99%

In stratified random sampling:

A simple random sample is taken from each stratum

a probability statement about the sampling error is a

As sample size increases, the:

collection of all elements of interest

What is the Z-Score for 90%

A doctor has looked at the records of all his employees and the mean blood pressure value is 125. The value of 125 is:

numerical characteristic of a population

What is the Z-Score for 98%

E is often referred to as the 

when estimated value of point estimator is equal to population parameter

As the sample size increases, the margin of error:

For a(n) _____ , it is impossible to construct a sampling frame.

the standard deviation of a point estimate is called the

When 's" is used to estimate o: the margin of error is computed by using the:

A probability sampling method in which we randomly select one of the first k elements and then select every kth element

For a fixed confidence level and population standard deviation, if we want to cut our margin of error in half, we should

Approximate value of a population parameter that provides limits and might contain the value of the parameter is the

population is first divided into groups of elements called ____

what value should you use if you don't know P

What is the Z-Score for 95%

the sampling distribution of P is the:

As the sample size increases, the margin of error:

As sample size increases, the margin of error

Convenience sampling is a:

The margin of error in an interval estimate of the population mean is a function of all of the following except

As the degrees of freedom increases, the difference between the t distribution and the standard normal distribution:

The difference between the value of the sample statistic and the value of the corresponding population parameter is:

probability that the interval estimation procedure will generate an interval that does not contain population mean is...

want to make inferences about sample actually taken

An exact probability statement about the population, based on sample data

the sampling distribution of a sample mean can be approximated by a normal distribution as the sample size becomes large

entity in which data is collected

has a known probability of including the unknown population parameter being estimated

In interval estimation, as the sample size becomes larger, the interval estimate