The mode of the data 22,29, 27, 23, 43, 41, 27 is

1

(a)

23 and 27

(b)

27

(c)

23 and 43

(d)

22

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

1

(a)

16

(b)

29

(c)

99

(d)

88

If mean of 6 observations is 4, then their sum is

1

(a)

20

(b)

22

(c)

24

(d)

26

The number of trees in different parks of a city are 33, 38, 48, 33, 34, 34, 33 and 24. The mode of this data is

1

(a)

24

(b)

34

(c)

33

(d)

48

The difference between the highest and the lowest observations in a data is its

1

(a)

frequency

(b)

width

(c)

range

(d)

mode

Which of the following is the mean of first five natural numbers?

1

(a)

2

(b)

3

(c)

4

(d)

5

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)

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

A container contains 3 red and 4 black balls. If one ball is selected at random from the container, what is the probability that it is black?

1

(a)

\(\frac{3}{7}\)

(b)

\(\frac{4}{7}\)

(c)

1

(d)

zero

A number is selected at random from the first five natural numbers. Find the probability that the number is a prime?

1

(a)

\(\frac{3}{7}\)

(b)

\(\frac{4}{7}\)

(c)

\(\frac{3}{5}\)

(d)

\(\frac{2}{5}\)

The representation of data with bars of uniform width is called _____

1

(a)

Bar graph

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

In a given data, arranged in ascending or descending order, the middle most observation is called___________.

1

(a)

Median

The probability of an event which is certain to happen is__________.

1

(a)

1

The probability of an event which is impossible to happen is__________

1

(a)

0

In throwing a die the number of possible outcomes is___________.

1

(a)

6

Median is one of the observation in the data if number of observations is________.

1

(a)

odd

The sum of all the observations, when divided by the number of observations gives the _________ of the data[median/mean]

1

(a)

Mean

The data 11, 12, 16, 18, 19 has every observation as mode.

1

(a) False

(b) True

The range of the data 2, - 5, 4, 3, 7 and 6 would change, if 2 is subtracted from each value in the data.

1

(a) True

(b) False

The range of the data 3,7, 1, - 2, 2, 6, - 3, - 5 would change, if 8 is added to each value in the data.

1

(a) True

(b) False

The mode of the observation 23, 26,15,12,28,38,19, 23, 26, 23 is 28.

1

(a) True

(b) False

Median of the data: 4,5,9,2,6,8, 7, is 2

1

(a) True

(b) False