Value Based Questions- Statistics Class 10 Notes | EduRev

Class 10 Mathematics by VP Classes

Class 10 : Value Based Questions- Statistics Class 10 Notes | EduRev

The document Value Based Questions- Statistics Class 10 Notes | EduRev is a part of the Class 10 Course Class 10 Mathematics by VP Classes.
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VALUE BASED QUESTIONS

Q1. The following table gives the percentage distribution of female students in various schools of rural areas of various states and UTs of India who are getting freeship.

Percentage of female students getting freeship

15 -25

25 - 35

35 - 45

45 - 55

55 - 65

65 - 75

75 - 85

Number of states/UT

6

11

7

4

4

2

1


(i) Find the mean percentage of female students getting freeship.
(ii) Which mathematical concept is used in the above problem?
(iii) By giving freeship to girls/women students, which value is depicted by various states and UTs?

Sol. (i) We find xi (class marks) of each class and put them in the following table :

Percentage of female students

Number of states/UTs fi

xi

15 - 25

6

20

25 - 35

11

30

35 - 45

7

40

45 - 55

4

50

55 - 65

4

60

65 - 75

2

70

75 - 85

1

80


Here, we take a = 50, h = 10 and di = xi – 50

Value Based Questions- Statistics Class 10 Notes | EduRev

Putting di and ui in the following table :

Value Based Questions- Statistics Class 10 Notes | EduRev

∵ From the table, we have :

Value Based Questions- Statistics Class 10 Notes | EduRev

⇒  Value Based Questions- Statistics Class 10 Notes | EduRev     [Using direct method]

OR

Using the step deviation method, we get

Value Based Questions- Statistics Class 10 Notes | EduRev

Thus, required percentage of women students = 39.71
(ii) Statistics.
(iii) Promoting women education.

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