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P- bar =

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sample size

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As the sample size increases the standard error

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decreases

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Sample statistic is the point estimator of

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population paramiter

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What are the samples for three parameters

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MOO

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a sample statistic such as sample mean is known as a

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statistic

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

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point estimate

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

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decreases

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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

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narrower

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

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confidence

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

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decrease

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

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population parameter

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

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Normal distribution

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The probablitlity of a type 1 error is denoted by

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2

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As the sample size decreases the

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Standard error of the mean increases

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

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point estimate

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

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confidence level