# Research Methods and Statistics-Statistics in Psychology [GATE (Graduate Aptitude Test in Engineering) Psychology (XH-C5)]: Questions 1 - 5 of 107

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## Question 1

### Question MCQ▾

Resulting data from a test of academic knowledge are positively skewed. This suggests that

### Choices

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

a. | the test was too difficult. | |

b. | an unbiased estimate must be calculated. | |

c. | some students benefited from a “halo effect” . | |

d. | the test was too easy. |

## Question 2

### Question MCQ▾

Which of the following is the formula of ‘Mean’ .

### Choices

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

a. | ||

b. | ||

c. | ||

d. | None of the above |

## Question 3

### Question MCQ▾

Distributions may vary in terms of their

### Choices

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

a. | variability. | |

b. | skewness. | |

c. | kurtosis. | |

d. | None of the above |

## Question 4

### Question MCQ▾

The formula which is used in standard deviation is ________.

### Choices

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

a. | Standard deviation is equal to square root of variance | |

b. | Standard deviation is equal to square root of deviation | |

c. | Standard deviation is equal to square root of frequency | |

d. | Standard deviation is equal to square of variance |

## Question 5

### Question MCQ▾

The mode is

### Choices

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

a. | the arithmetic average of all of the scores in a distribution. | |

b. | a reliable indicator of the variability within a distribution. | |

c. | the most frequently occurring score in a distribution. | |

d. | All of the above |