The median of the data 2, 16, 29, 88, 49, 99,16,4,37 is

1

(a)

16

(b)

29

(c)

99

(d)

88

The runs scored in a cricket match by 11 players are as follows: 6, 15, 120, 50, 100, 80, 10, 15, 8, 10, 10. Find the median of scores.

1

(a)

46

(b)

8

(c)

15

(d)

120

The money saved by a student during first six days of a week are Rs. 46, Rs. 24, Rs 29, Rs 27, Rs. 4 and Rs 42. Find the average saving per day.

1

(a)

42

(b)

39

(c)

35

(d)

36

Which of the following is the mode of the data 1, 1, 2, 4, 3, 2, 1, 2, 2, 4?

1

(a)

1

(b)

2

(c)

3

(d)

4

An unbiased die is tossed once. Which of the following is the probability of getting an even number?

1

(a)

1

(b)

\(\frac{1}{2}\)

(c)

\(\frac{1}{3}\)

(d)

\(\frac{1}{4}\)

The mode of the following data 62,61,49,37, 91,61,47, 53, 54, 97, 98, 99 is

1

(a)

67

If 12 observation's mean is 6. Then, the sum of 12 observations is....................

1

(a)

72

When a die is thrown, the probability of getting a number less than 7 is _____

1

(a)

1

.......can be used to compare two collections of data

1

(a)

A double bar graph

The probability of an event which is impossible to happen is__________

1

(a)

0

The mean of the data 20, 40, 60, 80, 70 is 55.

1

(a) True

(b) False

The value of x is 4 in the data 16, 8, 2, 6, x, 0, 4, 6, where mean is 5.

1

(a) True

(b) False

Mean, Median and Mode may be the same for some data.

1

(a) False

(b) True

Mean of the data is always from the given data.

1

(a) True

(b) False

The data 12, 13, 14, 15, 16, has every observation as mode.

1

(a) False

(b) True

What is the mean of first four counting numbers?

1

(a)

\(\frac{1+2+3+4}{4}=2.5\)

What is the mean of first six single digit counting numbers?

1

(a)

3.5

What is the mean of 98, 99, 100, 0, 1 and 2?

1

(a)

50

Weight (in kg) atleast 20 children (girls and boys) of your class. Organise the data and answer the following questions using this data. What is the most common weight?

1

(a)

The marks (out of 100) obtained by a group of students in a Science test are 85, 76, 90, 85, 39, 48, 56,95,81 and 75. mean marks obtained by the group

1

(a)

If the arithmetic mean of 6, 8, 5, 7, P and 4 is 7, then find the value of p.

2

(a)

Form a discrete frequency distribution from the following scores :
15, 18, 16, 20, 25, 24, 25, 20, 16, 15, 18, 18, 16 24, 15, 20, 28, 30, 27, 16, 24, 25, 20, 18, 28, 27 25,24,24,18,18,25,20,16,15,20,27,28,29,16

2

(a)

Organise the following marks in a class assessment,in a tabular form: 4, 6, 7, 5, 3, 5, 4, 5, 2, 6, 2, 5, 1, 9, 6, 5, 8, 4, 6, 7 - Which number is the highest?

2

(a)

Organise the following marks in a class assessment ,in a tabular form: 4, 6, 7, 5, 3, 5, 4, 5, 2, 6, 2, 5, 1, 9, 6, 5, 8, 4, 6, 7 - What is the range of the data?

2

(a)

Following table shows the points of each player scored in four games

Players	Game	Game	Game	Game
	1	2	3	4
A	14	16	10	10
B	0	8	6	4
C	8	11	Did not play	13

Who is the best performer?

2

(a)

(a) What is the mean of first four counting numbers?
(b) What is mode of 3,1,2,3,4,3,5,3, 1, 6, 3, 9, 3?
(c) What is mean of 98, 99, 100, 0, 1 and 2?

3

(a)

The mean marks (out of 100) of a group of students is 60. If their marks are 85, 62, 36, 48, 72, x, 75 and 39, then find the value of x.

2

(a)

The bar graph in figure shows the result of a survey to test water resistant watches made by different companies. Each of these companies claimed that their watches were water resistant. After a test, the above results were revealed.
(a) Can you work out a fraction of the number of watches that leaked to the number tested for each company?
(b) Could you tell on this basis which company has better watches?

5

(a)

In a school, there are five sections of class VII. The number of students in each section is given below. Construct a bar graph representing this data:

Section	A	B	C	D	E
Number of students	40	48	52	45	30

5

(a)