# Statistics & Research Methods (CBSE-NET (UGC) Psychology (Paper-II & Paper-III)): Questions 88 - 91 of 161

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## Question number: 88

» Statistics & Research Methods » Measures of Central Tendency

### Question

A bell-shaped curve having known mathematical properties and characterized by a large number of scores in the middle, tapering towards very few extremely high and low scores at either end, is called ________.

### Choices

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

a. | Normal curve | |

b. | Curve | |

c. | Abnormal curve | |

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

## Question number: 89

» Statistics & Research Methods » Inferential Statistics

### Question

In correlation coefficient, if the number is zero or close to zero, it indicates a ________.

### Choices

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

a. | Weak or nonexistent relationship | |

b. | Neutral relationship | |

c. | Strong or existent relationship | |

d. | All of the above |

## Question number: 90

» Statistics & Research Methods » Factor Analysis

Appeared in Year: 2014

### Question

Which of the following statement/s is/are true about principal components analysis?

1. While computing, unities are retained in the diagonal spaces of correlation matrix.

2. The first principal component condenses maximum variance.

3. The subsequently extracted principal component is uncorrelated with the previously extracted principal component.

4. The principal components cannot be subjected to oblique rotation.

(June)

### Choices

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

a. | 2 and 3 only | |

b. | 1 and 4 only | |

c. | 1, 2 and 3 only | |

d. | 1 and 3 only |

## Question number: 91

» Statistics & Research Methods » Factor Analysis

Appeared in Year: 2014

### Question

What would be the degrees of freedom for the second-order interaction effect in a 3 x 3 x 2 factorial design? (December)

### Choices

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

a. | 18 | |

b. | 2 | |

c. | 9 | |

d. | 4 |