Statistics, Econometrics and Mathematical Economics-Probability Theory [GATE (Graduate Aptitude Test in Engineering) Economics]: Questions 1 - 6 of 124

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Question 1

Probability Theory
Statistical Inferences

Appeared in Year: 2014 (UGC NET)

Question

MCQ▾

Given arithmetic mean = 45, mode = 48, then median = (June)

Choices

Choice (4)Response

a.

48

b.

46

c.

49

d.

45

Question 2

Probability Theory
Sampling Methods & Sampling Distribution

Appeared in Year: 2014 (UGC NET)

Question

MCQ▾

Systematic sampling implies that the first item is selected randomly and (June)

Choices

Choice (4)Response

a.

The other items are selected purposively

b.

The other items are selected by lottery method

c.

The other items are selected at the will of the investigator

d.

Then every kth item is selected

Question 3

Probability Theory
Statistical Inferences

Appeared in Year: 2017 (UGC NET)

Question

MCQ▾

For a symmetrical distribution skewness is

Choices

Choice (4)Response

a.

3

b.

2

c.

0

d.

1

Question 4

Probability Theory
Statistical Inferences

Appeared in Year: 2017 (UGC NET)

Question

MCQ▾

For testing the association of attributes which of the following tests is suitable?

Choices

Choice (4)Response

a.

Z test

b.

F test

c.

ch- square test

d.

T test

Question 5

Probability Theory
Concepts of Probability

Appeared in Year: 2014 (UGC NET)

Question

MCQ▾

If two events A and B are mutually inclusive, then P (A or B) is (June)

Choices

Choice (4)Response

a.

P (A) + P (B) – P (AB)

b.

P (A) + P (B) + P (AB)

c.

P (A) + P (B)

d.

P (A) P (B)

Question 6

Probability Theory
Hypothesis Testing

Appeared in Year: 2014 (UGC NET)

Question

Match List-Ⅰ List-Ⅱ▾

Given the following information match the item in List – I with List – II: (June)

List-Ⅰ (Group I)List-Ⅱ (Group II)
(A)

Probability of rejecting H0, when it is false

(i)

Standard error

(B)

Accepting H0, if it is false

(ii)

b error

(C)

Measuring sampling variability due to random force

(iii)

a error

(D)

Rejecting H0, if it is true

(iv)

1 – b error

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (iv)
  • (ii)
  • (i)
  • (iii)

b.

  • (iii)
  • (iv)
  • (i)
  • (ii)

c.

  • (i)
  • (iv)
  • (iii)
  • (ii)

d.

  • (ii)
  • (i)
  • (iii)
  • (iv)

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