- Statistics
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- Presentation of Data
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- Bar Graph
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- Histogram
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- Measures of Central Tendency
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- How to Solve Mean,Median and Mode problem's
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- Solved exmaples

Given below are the

a) Concepts questions

b) Calculation problems

c) Multiple choice questions

d) Long answer questions

e) Fill in the blank's

1. The runs scored by two teams A and B on first 60 balls in cricket match are given below:-

No. of Balls |
Team A |
Team B |

1 -6 |
2 |
5 |

7-12 |
1 |
6 |

13-18 |
8 |
2 |

19-24 |
9 |
10 |

25-30 |
4 |
5 |

31-36 |
5 |
6 |

37-42 |
6 |
3 |

43-48 |
10 |
4 |

49-54 |
6 |
8 |

55-60 |
2 |
10 |

2. A random survey of no. of children of various age groups playing in a park was found as follows:-

Age (in years) |
No. of Children |

1-2 |
5 |

2-3 |
3 |

3-5 |
6 |

5-7 |
12 |

7-10 |
9 |

10-15 |
10 |

15-17 |
4 |

3. The following observations have been arranged in ascending order. If median of data is 63, find x

29, 32, 48, 50, x, x +2, 72, 78, 84, 95

4. Find the mode of 14, 25, 14, 28, 18, 17, 18, 14, 23, 22, 14, 18.

5. The following table shows the no. of X cars sold by five dealers in a particular month.

Dealer: |
A |
B |
C |
D |
E |

Cars sold |
60 |
40 |
20 |
15 |
10 |

6. The following data gives the no. of students of Mumbai state who went abroad for study during some years-

Years: |
2000 |
2001 |
2002 |
2003 |
2004 |
2006 |

No of students |
1400 |
1600 |
1250 |
1000 |
2000 |
2200 |

Year |
1995-96 | 1996-97 | 1997-98 | 1998-99 |
1999-2000 |

Interests |
20 |
25 |
15 |
18 |
30 |

Draw a bar graph to represent it.

8 The following data gives the production of food grains for some years-

Years: |
2000 |
2001 |
2002 |
2003 |
2004 |
2006 |

Production |
120 |
150 |
140 |
180 |
170 |
190 |

Represent it with a bar graph.

9. The following data gives the amount of manure (in tones) manufactures by a company during some years.

Years: |
2000 |
2001 |
2002 |
2003 |
2004 |
2006 |

Manure |
15 |
35 |
45 |
30 |
40 |
20 |

- Represent it with a bar graph.
- Indicate with help of bar graph in which year, the amount of manufactured by company was maximum.
- Choose the correct alternative.

Qualifications: |
MCA |
DCA |
DCE |
CL |
ST |

Personal required |
40600 |
181600 |
18600 |
670600 |
1802900 |

Indicate with help of bar graph the course where estimated requirement is least.

11. The incomes and expenditure for 5 years of a family is given in a following data:

Years |
1995-96 |
1996-97 |
1997-98 |
1998-99 |
1999-2000 |

Income (Rs. in thou) |
100 |
140 |
150 |
170 |
210 |

Expenditure (Rs in thou) |
80 |
130 |
145 |
160 |
190 |

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