# ISS (Statistical Services) Statistics Paper II (New 2016 MCQ Pattern): Questions 164 - 169 of 253

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## Question 164

### Question

MCQ▾Factorization theorem for sufficiency is known as

### Choices

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

a. | Fisher-Neyman Theorem | |

b. | Bernoulli Theorem | |

c. | Cramer-Rao Theorem | |

d. | Rao-Blackwell Theorem |

## Question 165

### Question

MCQ▾Suppose there is a survey carried out on 200 persons and the calculated mean and Standard Deviation are 5.83 and 0.86 respectively, then the confidence interval of 95 % of the population mean would be

### Choices

Choice (4) | Response | |
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a. | ||

b. | ||

c. | ||

d. | All of the above |

## Question 166

### Question

MCQ▾Relative efficiency of an estimator as compared to is given as

### Choices

Choice (4) | Response | |
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a. | ||

b. | ||

c. | ||

d. |

## Question 167

### Question

MCQ▾Cramer-Rao inequality with regard to the variance of an estimator provides

### Choices

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

a. | Lower bond on the variance | |

b. | Asymptotic variance of an estimator | |

c. | Upper bound on the variance | |

d. | All of the above |

## Question 168

### Question

MCQ▾If and are the mean and standard deviation of a random sample from a Normal distribution with unknown variance , a percent confidence interval on is given by

### Choices

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

a. | ||

b. | ||

c. | ||

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

## Question 169

### Question

MCQ▾The 95 % confidence interval for of the normal population is given by

### Choices

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

a. | ||

b. | ||

c. | ||

d. |