# ACET (Actuarial Common Entrance Test) Statistics: Questions 25 - 32 of 201

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## Question 25

### Question

MCQ▾Weakly pocket money of 6 students are noted as:

₹80, ₹70, ₹90, ₹100, ₹500, ₹50. Find out range.

### Choices

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

a. | ₹ 30 | |

b. | ₹ 450 | |

c. | ₹ 100 | |

d. | ₹ 400 |

## Question 26

## Question 27

## Question 28

## Question 29

### Question

MCQ▾The arithmetic mean of is 6. The value of X is

### Choices

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

a. | 10 | |

b. | 11 | |

c. | 12 | |

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

## Question 30

### Question

MCQ▾The standard deviation of X and Y are 4 and 5 respectively. The correlation coefficient between them is 0.8. Find the regression coefficient of Y on X.

### Choices

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

a. | ||

b. | ||

c. | ||

d. | 1 |

## Question 31

### Question

MCQ▾Which of the following methods uses covariance in calculating correlation coefficient?

### Choices

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

a. | Spearman’s Rank Correlation | |

b. | Concurrent Deviation | |

c. | Karl Pearson’s Coefficient of Correlation | |

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

## Question 32

### Question

MCQ▾The probability that a student will pass the first examination is 0.8 and the probability of passing the second examination is 0.7. The probability of passing at least one of them is 0.95. What is the probability of his passing both the examinations?

### Choices

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

a. | 0.55 | |

b. | 0.42 | |

c. | 1 | |

d. | 0.63 |