# ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 125 - 130 of 253

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## Question 125

### Question

MCQ▾For the Confidence Interval we use … and For the Confidence Interval we use …

### Choices

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

a. | Z -table, t- table | |

b. | t -table, Z- table | |

c. | Z -table, Poisson table | |

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

## Question 126

### Question

MCQ▾If is a family of distributions and is any statistic then is said to be complete for if

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 127

### Question

MCQ▾A value of a parameter which maximises the Likelihood function is known as ________ estimate of

### Choices

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

a. | Efficient Estimator | |

b. | Complete Statistics | |

c. | Maximum Likelihood Estimator | |

d. | Sufficient Estimator |

## Question 128

### Question

MCQ▾A confidence interval for of the Normal distribution , when is unknown is given by

### Choices

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

a. | ||

b. | ||

c. | ||

d. | None of the above |

## Question 129

### Question

MCQ▾If we increase the sample size and confidence interval at the same time then the length of the Confidence interval become

### Choices

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

a. | More | |

b. | Remains the same | |

c. | Smaller | |

d. | Cannot be determined from the given information |

## Question 130

### Question

MCQ▾If is a family of distributions and is any statistic such that , then is called as

### Choices

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

a. | Efficient Statistics | |

b. | Consistent Estimator | |

c. | Complete Statistics | |

d. | Sufficient Statistics |