41 .
The philosopher who for the first time mentioned the importance of play (or sports) in education was

A. | Plato | B. | Aristotle |

C. | Socrates | D. | John Locke |

42 .
The process of selecting units from a population to estimate characteristics of the population is called

A. | research | B. | sampling |

C. | inference | D. | analyzing |

43 .
We calculate average marks of a student in the way as we calculate

A. | variance | B. | arithmetic mean |

C. | geometric mean | D. | standard deviation |

44 .
The __________ is a measure of how spreads out points are from the mean.

A. | variance | B. | arithmetic mean |

C. | geometric mean | D. | standard deviation |

45 .
The standard deviation is the __________ of the variance.

A. | cube | B. | cube root |

C. | square | D. | square root |

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- GK & Current Affairs- August 2016
- GK & Current Affairs- September 2016
- GK & Current Affairs- October 2016