Data Handling - Assessment

1.

Multiple Choice

1 min

1 pt

Find the median of the following set of data: 2 3 6 8 9 11 12

8 and 9

6 and 8

8.5

8

2.

Multiple Choice

30 sec

1 pt

The range of the data 21,6,17,18,12,8,4, 13 is

17

12

8

15

3.

Multiple Choice

30 sec

1 pt

Arranging the numerical figures in ascending or descending order is called_______

Data

Pictograph

table

Array

4.

Multiple Choice

30 sec

1 pt

The bars used to count the frequencies are called_____

Tally Marks

Bars

Range

None of the abve

5.

Multiple Choice

30 sec

1 pt

Write 'True' or 'False'
The mean is always one of the numbers in the data

TRUE

FALSE

6.

Multiple Choice

30 sec

1 pt

Which among the following is NOT a measure of central tendency?

Mean

Median

Mode

Range

7.

Multiple Choice

30 sec

1 pt

The number of times a particular observation occurs is called its _______

Frequency

Array

Data

Range

8.

Multiple Choice

30 sec

1 pt

The probability of an event always lies between____

1 and 2

0 and 1

2 and 3

None of the above

9.

Multiple Choice

30 sec

1 pt

What is the range of first 20 natural numbers?

10

19

20

18

10.

Multiple Choice

30 sec

1 pt

When a cricket team is compared with another team for their performance as a team, the most suitable measure of central tendency is ______

Median

Mean

Mode

Range

11.

Multiple Choice

3 mins

1 pt

How many students ride in a car and walk to school combined?

40

50

10

30

12.

Multiple Choice

2 mins

1 pt

What’s the mode?

1

2

5

7

13.

Multiple Choice

30 sec

1 pt

In a data , 10 numbers are arranged in increasing order . If the 7th entry is increased by 4 , by how much the median increased.

0

4

6

5

14.

Multiple Choice

30 sec

1 pt

Out of 5 brands of chocolates in a shop, a boy has to purchase the brand which is most liked by children. What measure of central tendency would be most appropriate if the data is provided to him?

Mean

Mode

Median

Any of the three

15.

Multiple Choice

30 sec

1 pt

Let x, y, z be three observations. The mean of these observations is

$\frac{x\ \times\ y\ \times\ z}{3}$

$\frac{x\ +\ y+\ z}{3}$

$\frac{x\ -\ y\ -\ z}{3}$

$\frac{x\ \times\ y\ \ +\ z}{3}$

16.

Multiple Choice

30 sec

1 pt

Which measures of central tendency get affected if the extreme observations on both the ends of a data arranged in descending order are removed?

Mean and mode

Mean and Median

Mode and Median

Mean, Median and Mode

17.

Multiple Choice

30 sec

1 pt

On tossing a coin, the outcome is

only head

only tail

neither head nor tail

either head or tail

18.

Multiple Choice

45 sec

1 pt

The median of observations 11, 12, 14, 18, x + 2, 20, 22,

25, 61 arranged in ascending order is 21. The value of x is

11

15

19

21

19.

Multiple Choice

30 sec

1 pt

The probability of getting a number greater than 2 on

throwing a die once is

$\frac{2}{3}$

$\frac{1}{3}$

$\frac{1}{2}$

1

20.

Multiple Choice

30 sec

1 pt

The mean of first five prime numbers is

5

6

5.6

5.8

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