07_Data Handling_Test Paper

1.    Following are the margins of victory in the football matches of a league:

1,3,2,5,1,4,6,2,5,2,2,2,4,1,2,3,1,1,2,3,2,6,4,3,2,1,2,5,4,3,1,2,2,2,2,4,1,1,5,5,5,3,3,2,3,2,4,1,2,2,

Represent the above observations by tally marks and find the mode of this data.

2.    The mean of three numbers is 10. The mean of other four numbers is 12. Find the mean of all numbers.

3.    Find the mean of first six multiples of 6.

4.    “Median of data may as may not be from the given data” Justify.

5.     Calculate the mean, median and mode of the following data:      6,2,5,4,3,4,4,2,3,4

6.    Find the mean and median of first nine composite numbers.

7.    What is the probability of drawing out a vowel from English alphabet?

8.    There are 6 cards in a box, numbered 1 to 6 marked on each of them

(a)   Find the probability of an even number card

(b)   Find the probability of an odd number card

(c)   Find the probability of composite number card

9.    The temperature (in 0C) in a city on 7 days of a certain week is recorded as follows

Days

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Temperature

42

40

38

43

40

44

45

(a)  Find the range of temperature of the above data

(b) Find the mean temperature of the week

(c)  On how many days, the temperature was less than the mean temperature?

10. The following data gives total marks (out of 600) obtained by six students of a particular class. Represent the data on a double bar graph.

Student

Ajit

Rakhi

Deepali

Jayant

Radhika

Harshit

Marks obtained in English

450

550

350

260

340

540

Marks obtained in Hindi

490

560

400

450

500

340

11. The given table shows the average intake of nutrients (in calories) by rural and urban groups in a particular year. Using a suitable scale draw a double bar graph to compare the given data   

Food stuff

Pulses

Fruits

Milk

Fish

Fats

Leafy

Vegetables

Other vegetables

Rural

35

35

70

14

7

14

49

Urban

49

63

77

21

14

21

84

 

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