# ACET (Actuarial Common Entrance Test) Statistics: Questions 38 - 43 of 201

Access detailed explanations (illustrated with images and videos) to **201** questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. *Unlimited Access, Unlimited Time, on Unlimited Devices*!

View Sample Explanation or View Features.

Rs. 200.00 -OR-

How to register? Already Subscribed?

## Question 38

### Question

MCQ▾For 50 students of a class the regression equation of marks in Statistics and Mathematics is , where X and Y respectively represent marks in Statistics and Mathematics is 44, then the mean marks in Statistics are

### Choices

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

a. | 72.5 | |

b. | 54.2 | |

c. | 62.4 | |

d. | 24.9 |

## Question 39

### Question

MCQ▾Which of the following is NOT a frequency diagram?

### Choices

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

a. | Ogive | |

b. | Pie Chart | |

c. | Histogram | |

d. | Polygon |

## Question 40

### Question

MCQ▾For a bivariate data, the mean value of , the mean value of , the regression coefficient of Y on X is and the correlation coefficient between X and Y is . Find the regression coefficient of X on Y.

### Choices

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

a. | ||

b. | ||

c. | ||

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

## Question 41

### Question

MCQ▾Two events A and B are mutually exclusive and . Find the probability that either A or B will occur.

### Choices

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

a. | ||

b. | ||

c. | ||

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

## Question 42

### Question

MCQ▾The Mean and Median values of a series are 16 cm and 20 cm respectively. What is the modal value of the series?

### Choices

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

a. | 18 | |

b. | 20 | |

c. | 28 | |

d. | 24 |

## Question 43

### Question

MCQ▾Which probability distribution is suitable for calculating the number of air accidents in some unit of time?

### Choices

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

a. | Binomial | |

b. | Normal | |

c. | Geometric | |

d. | Poisson |