# CA Foundation Maths, Statictics, Logic, and Reasoning: Questions 137 - 143 of 154

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## Question number: 137

» Statistical Description of Data » Frequency Distribution

### Question

Mutually exclusive classification is usually meant for

### Choices

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

a. | A discrete variable | |

b. | A continuous variable | |

c. | An attribute | |

d. | None of the above |

## Question number: 138

» Statistical Description of Data » Tabular Representation of Data

### Question

The most accurate mode of data presentation is

### Choices

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

a. | Tabulation | |

b. | Diagrammatic method | |

c. | Textual presentation | |

d. | All of the above |

## Question number: 139

» Statistical Description of Data » Frequency Distribution

### Question

Mutually inclusive classification is usually meant for

### Choices

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

a. | A continuous variable | |

b. | A discrete variable | |

c. | An attribute | |

d. | All of the above |

## Question number: 140

» Measures of Central Tendency

### Question

A shift of origin has no impact on

### Choices

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

a. | Range | |

b. | Quartile deviation. | |

c. | Mean deviation | |

d. | Standard deviation |

## Question number: 141

### Question

For finding the degree of agreement about beauty between two Judges in a Beauty Contest, We use

### Choices

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

a. | Coefficient of rank correlation | |

b. | Scatter diagram | |

c. | Coefficient of correlation | |

d. | Coefficient of concurrent deviation. |

## Question number: 142

» Measures of Central Tendency

### Question

If all the observations are multiplied by 2, then

### Choices

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

a. | New SD would be increased by 2 | |

b. | New SD would be decreased by 2. | |

c. | New SD would be also multiplied by 2 | |

d. | New SD would be half of the previous SD |

## Question number: 143

### Question

The covariance between two variables is

### Choices

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

a. | Always 0 | |

b. | Strictly positive | |

c. | either positive or negative or zero. | |

d. | Strictly negative |