# ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 437 - 440 of 472

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## Question 437

### Question

MCQ▾If the mean return for an industry is 10 % with a standard deviation of 6 % , out of 100 firms how many do you expect to have returns above 22 % ?

### Choices

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

a. | 25 firms | |

b. | 50 firms | |

c. | 22 firms | |

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

## Question 438

### Question

MCQ▾The value of measure of association, Cramer՚s V of the given data set is ________.

### Choices

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

a. | 0.50 | |

b. | 0.25 | |

c. | 0.33 | |

d. | 0.75 |

## Question 439

### Question

MCQ▾The length of stay on the cancer floor of Apolo Hospital was organized into a frequency distribution. The mean length of stay was 28 days, the medial 25 days and modal length is 23 days. The standard deviation was computed to be 4.2 days. Which of the following remark can be made on this frequency distribution?

### Choices

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

a. | Distribution is negatively skewed | |

b. | Distribution is symmetrical | |

c. | Distribution is positively skewed | |

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

## Question 440

### Question

MCQ▾If the coefficient of determination of a simple linear regression is 0.65. This results means that________.

### Choices

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

a. | 65 % of the total variation is explained by the dependent variable | |

b. | The correlation coefficient is 0.65 also | |

c. | 65 % of the total variation is explained by the independent variable | |

d. | The relationship between two variables is negative |