# Correlation and Regression (CA Foundation Maths, Statictics, Logic, and Reasoning): Questions 25 - 30 of 42

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## Question number: 25

» Correlation and Regression

### Question

Bivariate Data are the data collected for

### Choices

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

a. | Two variables at different points of time. | |

b. | More than two variables | |

c. | Two variables | |

d. | Two variables at the same point of time |

## Question number: 26

» Correlation and Regression

### Question

For a bivariate frequency table having (p + q) classification the total number of cells is

### Choices

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

a. | pq | |

b. | p | |

c. | p + q | |

d. | q |

## Question number: 27

» Correlation and Regression

### Question

Some of the cell frequencies in a bivariate frequency table may be

### Choices

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

a. | Negative | |

b. | Zero | |

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

d. | All of the above |

## Question number: 28

» Correlation and Regression

### Question

Correlation analysis aims at

### Choices

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

a. | Predicting one variable for a given value of the other variable | |

b. | Measuring the extent of relation between two variables | |

c. | Establishing relation between two variables | |

d. | Both b. and c. are correct |

## Question number: 29

» Correlation and Regression

### Question

Since Blood Pressure of a person depends on age, we need consider

### Choices

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

a. | The regression equation of Blood Pressure on age | |

b. | The regression equation of age on Blood Pressure | |

c. | None of the above | |

d. | All of the above |

## Question number: 30

» Correlation and Regression

### Question

If there is a perfect disagreement between the marks in Geography and Statistics, then What would be the value of rank correlation coefficient?

### Choices

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

a. | Only –1 | |

b. | Any value | |

c. | Only 1 | |

d. | None of the above |