X Statics mean median mode and Ogive |

MULTIPLE CHOICE QUESTIONS |

1. If 35 is the upper limit of the class-interval of class-size 10, then the lower limit of the class-interval is : |

(a) 20 (b) 25 |

(c) 30 (d) none of these |

2. In the assumed mean method, if A is the assumed mean, than deviation di is : |

(a) xi + A (b) xi – A |

(c) A – xi (d) none of these] |

3. Mode is: |

(a) Middle most value (b) least frequent value (c) most frequent value (d) none of these |

4. While computing mean of grouped data, we assume that the frequencies are : |

(a) evenly distributed over all the classes (b) centred at the class-marks of the classes |

(c) centred at the upper limits of the classes (d) centred at the lower limits of the classes |

5. The curve drawn by taking upper limits along x-axis and cumulative frequency along y-axis is : |

(a) frequency polygon (b) more than ogive |

(c) less than ogive (d) none of these |

6. For ‘more than ogive’ the x-axis represents : |

(a) upper limits of class-intervals (b) mid-values of class-intervals |

(c) lower limits of class-intervals (d) frequency |

7. Ogive is the graph of : |

(a) lower limits and frequency (b) upper limits and frequency |

(c)lower/upper limits and cumulative frequency (d) none of these |

8. The curve ‘less than ogive’ is always : |

(a)ascending (b) descending |

(c) sometimes ascending and sometimes descending (d) none of these |

9. If mode = 80 and mean = 110, then the median is |

(a)110 (b)120 |

(c)100 (d)90 |

10. The mean of the following data is : 45, 35, 20, 30, 15, 25, 40 : |

(a) 15 (b) 25 |

(c) 35 (d) 30 |

11 . The mean and median of a data are 14 and 15 respectively. The value of mode is (a) 16 (b) 17 |

(c) 13 (d) 18 |

12 . For a given data with 50 observations the ‘less than ogive’ and the ‘more then ogive’ intersect at (15.5, 20). The median of the data is : |

(a) 4.5 (b) 20 |

(c) 50 (d) 15.5 |

13. Which of the following is not a measure of central tendency ? |

(a) Mean (b) Median |

(c) Range (d) Mode |

14. The abscissa of the point of intersection of the less than type and of the more than type cumulative frequency curves of a grouped data gives its : |

(a)mean (b) median |

(c) mode (d) all the three above |

15. The measures of central tendency which can’t be found graphically is |

(a) mean (b) median |

(c) mode (d) none of these |

## Wednesday, August 29, 2012

### X Statics mean median mode and Ogive MCQ

Subscribe to:
Post Comments (Atom)

## No comments:

## Post a Comment