# ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 197 - 202 of 253

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## Question 197

### Question

MCQ▾If and are two Minimum Variance Unbiased (MVU) estimators for then

### Choices

Choice (4) | Response | |
---|---|---|

a. | Either or | |

b. | ||

c. | ||

d. | All of the above |

## Question 198

### Question

MCQ▾For a simple linear model , the normal equations for estimating the values values of and by the method of least square will be

### Choices

Choice (4) | Response | |
---|---|---|

a. | and | |

b. | and | |

c. | and | |

d. | None of the above |

## Question 199

### Question

MCQ▾Confidence intervals for the parameters , of the Normal distribution having density function , in case of known variance , is given by

### Choices

Choice (4) | Response | |
---|---|---|

a. | ||

b. | ||

c. | ||

d. | All of the above |

## Question 200

### Question

MCQ▾Let be a random sample from . Then the sufficient estimator for is

### Choices

Choice (4) | Response | |
---|---|---|

a. | ||

b. | ||

c. | ||

d. | Question does not provide sufficient data or is vague |

## Question 201

### Question

MCQ▾Degrees of freedom for the mean in case of large sample size is … ; and in case of for the small sample size is …

### Choices

Choice (4) | Response | |
---|---|---|

a. | and | |

b. | and | |

c. | and | |

d. | and n |

## Question 202

### Question

MCQ▾In a class of consistent estimators for a parameter, which one will you consider as the most efficient estimator?

### Choices

Choice (4) | Response | |
---|---|---|

a. | One whose mean is less than the other estimators. | |

b. | One whose mean and variance both are less than the other estimators. | |

c. | One whose sampling variance is less than the other estimators. | |

d. | None of the above |