# ACET (Actuarial Common Entrance Test) Statistics: Questions 76 - 81 of 81

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## Question number: 76

» Measures of Location » Median

### Question

Weight of eight boys in kg is noted as:

Find the median weight.

### Choices

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

a. | 72 | |

b. | 71 | |

c. | 70 | |

d. | 71.5 |

## Question number: 77

» Discrete Distributions » Poisson

### Question

If X follows Poisson distribution such that Find the mean & variance

### Choices

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

a. | 2,1 | |

b. | 2,2 | |

c. | 1,2 | |

d. | 1,1 |

## Question number: 78

» Types of Data » Qualitative and Quantitative Data

### Question

Which of the following is a one dimensional diagram?

### Choices

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

a. | Bar diagrams | |

b. | Histograms | |

c. | Breadth diagrams | |

d. | Frequency Polygon |

## Question number: 79

» Continuous Random Variables » Probabilities

### Question

Out of 8 consonants and 3 vowels, how many words of 3 consonants and 2 vowels can be formed?

### Choices

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

a. | 16800 | |

b. | 20,000 | |

c. |
| |

d. | 20,160 |

## Question number: 80

» Correlation and Regression » Covariance

### Question

If the regression coefficient of b in is equal to zero, then the regression line will

### Choices

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

a. | Pass through the origin | |

b. | Neither intersect X axis nor Y axis | |

c. | Be parallel to the X axis | |

d. | Be parallel to the Y axis |

## Question number: 81

» Probabilities » Independence of Events

### Question

A committee of four has to be formed from among three economists, 4 engineers, 2 statisticians and 1 doctor. What is the probability that each of the four professions is represented on the committee?

### Choices

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

a. | 0.1143 | |

b. | 0.24 | |

c. | 0.1742 | |

d. | 0.3 |