Stat 131 LE2

TRUE OR FALSE: An estimator that is the BLUE for a target parameter is also the UMVUE for the target parameter.

• TRUE

• FALSE

TRUE OR FALSE: The UMVUE is an efficient estimator.

• TRUE

• FALSE

Which of the following is not a property of MLEs of a regular PDF or PMF?

• They are unique.

• They are functions of sufficient statistics.

• They are asymptotically efficient.

• They are asymptotically normally distributed.

We say that an estimator is efficient if ________________.

• The expectation of the estimator is equal to the target parameter.

• The estimator is the UMVUE.

• The variance of the estimator is equal to the CRLB.

• The estimator has lower MSE than another esitmator.

Which of the following is the MME for the population mean?

• sample mean

• sample variance

• sample median

• sample mode

• None of the above.

Which of the following statistics is resistant to outliers?

• mean

• median

• variance

• range

Which of the following is NOT location equivariant?

• mean

• median

• mode

• variance

TRUE or FALSE: MMEs are unbiased estimators.

• TRUE

• FALSE

TRUE or FALSE: MLEs are functions of the CSS.

• TRUE

• FALSE