Arithmetic-Basic Statistics (IAS Prelims CSAT Paper-II (Aptitude)): Questions 1 - 4 of 6

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Question number: 1

» Arithmetic » Basic Statistics

Appeared in Year: 2014

MCQ▾

Question

The following table shows the marks obtained by two students in different subjects:

Marks of the students obtained in various subjects

Details of the marks of the various students obtained across subjects.

Student A

Maximum Marks

Student B

Maximum Marks

English

60

100

80

150

Psychology

70

100

70

100

History

50

100

60

100

Sanskrit

30

50

15

25

The difference in the mean aggregate percentage marks of the students is

Choices

Choice (4) Response

a.

2.5%

b.

13.75%

c.

Zero

d.

1.25%

Question number: 2

» Arithmetic » Basic Statistics

Appeared in Year: 2017

MCQ▾

Question

If for a sample data

Mean < Median < Mode then the distribution is

Choices

Choice (4) Response

a.

neither symmetric nor skewed

b.

skewed to the right

c.

skewed to the left

d.

symmetric

Question number: 3

» Arithmetic » Basic Statistics

Appeared in Year: 2017

MCQ▾

Question

There are thirteen 2-digit consecutive odd numbers. If 39 is the mean of the first five such numbers, then what is the mean of all the thirteen numbers?

Choices

Choice (4) Response

a.

47

b.

45

c.

51

d.

49

Question number: 4

» Arithmetic » Basic Statistics

Appeared in Year: 2017

MCQ▾

Question

Four tests—Physics, Chemistry, Mathematics and Biology are to be conducted on four consecutive days, not necessarily in the same order. The Physics test is held before the test which is conducted after Biology. Chemistry is conducted exactly after two tests are held. Which is the last test held?

Choices

Choice (4) Response

a.

Mathematics

b.

Biology

c.

Chemistry

d.

Physics

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