Statistics Model Questions Set 1 Section-Wise Topic Notes With Detailed Explanation And Example Questions

Question : 1

Consider the following statements in respect of the set S = {1, 2, 3, ..., n}.
I. ${(n + 1)}/2$ is the median of the numbers in S.
II. n is the mode of the numbers in S.
Which of the above statements is/are correct?

a) Only II

b) Both I and II

c) Only I

d) Neither I nor II

Question : 2

Number of credit cards held by an individual can be treated as

a) Discrete data

b) Categorical data

c) Qualitative data

d) None of the above

Question : 3

Consider the following grouped frequency distribution :

a) 10

b) 11

c) 9

d) 12

Question : 4

The arithmetic mean of 10 numbers was computed as 7.6. It was later discovered that a number 8 was wrongly read as 3 during the computation. What should be the correct mean?

a) 7.6

b) 8.1

c) 7.1

d) 8.6

Question : 5

Consider the following statements in respect of a histogram:
I. The histogram consists of vertical rectangular bars with a common base such that there is no gap between consecutive bars.
II. The height of the rectangle is determined by the frequency of the class it represents.
Which of the statements given above is/are correct?

a) Only II

b) Both I and II

c) Only I

d) Neither I nor II

Question : 6

In Statistics, a suitable graph for representing the partitioning of total into subparts is

a) A pictograph

b) A histogram

c) An ogive

d) A pie chart