Bus Stat

P- bar =

As the sample size increases the standard error

Sample statistic is the point estimator of

What are the samples for three parameters

a sample statistic such as sample mean is known as a

A single numerical value used as an estiamte of a population parameter is known as a

As the number of degrees of freem for a t chart increases, the diference between the t distribution and the standard normal distribution ______

At 95% confidence interval for a population mean is determined to be 100 to 120 , if the confidence coefficient is reduced to .9 U becomes

The ability of an interval estimate to contain the value of the population parameter is described by the

IF we change 95% C to 99% C we can expect the size of the confidence to

An interval estimate is a range of values used to estimate the

When using T distribution (when sample size is small) we must assume what

The probablitlity of a type 1 error is denoted by

As the sample size decreases the

A single numerical value used as an estimate of a population parameter is known as a

An estimate of a population parameter that provides an interval of values believed to contain the value of the parameter is known as the