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a. The single best guess for an unknown parameter is referred to as the point estimate O critical value O test statistic standard value parameter b. If E(θ)-θ then θ is said to be a(n) estimate for θ. O knowrn unknown bad e biased O unbiased c. The best guess for estimating the parameter u, the population mean, is: d·The interval estimate for an unknown parameter is referred to as the O test interval O confidence interval O point estimate O margin of error O critical interval
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Answer #1

Answer:

a) point estimate is the single best guess for unknown parameter

b) Unbiased

c) \bar{x}

because E( X bar ) = mu

d) Confidence interval

because we get confidence interval in form of interval

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