Statistics Mock Test 3 - Online MCQ Exam

The two regression co-efficient always have the __________ sign?

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Your Answer:

Different Different
Same Same
None of these None of these
+ve +ve

A dice is thrown loo times with the frequencies for the outcomes 1, 2, 3, 4, 5 and 6 as given in the following table: Find the probability of outcome 1

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Your Answer:

A) $\frac{1}{10}$ A) $\frac{1}{10}$
B) $\frac{1}{5}$ B) $\frac{1}{5}$
C) $\frac{1}{4}$ C) $\frac{1}{4}$
D) $\frac{1}{2}$ (\frac{1}{10}\) D) $\frac{1}{2}$ (\frac{1}{10}\)

A camp has provision for 9 days for 500 men. At the end of 3 days 100 more men were admitted. How long will the food now last?

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Your Answer:

12 days 12 days
5 days 5 days
9 days 9 days
6 days 6 days

The repeating block of the fraction which of the following will not be a cyclic number.

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Your Answer:

A) 19 A) 19
B) 17 B) 17
C) 13 C) 13
D) 7 D) 7

Find the average of \$32, 36, 40, 44$

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Your Answer:

36 36
37 37
38 38
39 39

Find the sum The difference between the compound and S.I. on a certain sum of money for 2 years at 10% per annum is Rs.15of money?

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Your Answer:

1500 1500
1800 1800
2100 2100
1950 1950

H.C.F × L.C.M ⁄ 1st expression =:

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Your Answer:

1 1
H.C.F H.C.F
second expression second expression
L.C.M L.C.M

Which of the following is true about the mean when a value greater than the mean is added?

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Your Answer:

A) The mean decreases. A) The mean decreases.
B) The mean remains the same. B) The mean remains the same.
C) The mean increases. C) The mean increases.
D) Cannot be determined. D) Cannot be determined.

A fair coin is tossed 100 times and the event ‘head’ occurs 65 times. The empirical probability of the occurrence of a ‘head’ is:

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Your Answer:

A) 0.35 A) 0.35
B) 0.65 B) 0.65
C) 1 C) 1
D) 0 65 D) 0 65

If a number ends in 3, then its cube ends in

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Your Answer:

A) 3 A) 3
B) 9 B) 9
C) 7 C) 7
D) 7 or 9 D) 7 or 9

The area of a parallelogram depends on

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Your Answer:

A) Its perimeter only A) Its perimeter only
B) the lengths of all sides B) the lengths of all sides
C) base and corresponding height C) base and corresponding height
D) diagonals only D) diagonals only

Any term of an equation may be taken to the other side with its sign changed, without effecting the equality, is called:

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Your Answer:

resolution resolution
factorization factorization
transposition transposition
substitution substitution

Number of digits which can be get by multiplying a 2 -digit number and a 7-digit number can be

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Your Answer:

A) 9 A) 9
B) 14 B) 14
C) 5 C) 5
D) 12 D) 12

In the given figure, if point A is shifted to point B along the ray PX such that PB = 2 PA, then the measure of ZBPY is

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Your Answer:

A) greater than 45° A) greater than 45°
B) 45° B) 45°
C) less than 45° C) less than 45°
D) 90° D) 90°

The Least Common Multiple (LCM) of 40, 50 and 70:

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Your Answer:

1800 1800
1400 1400
1200 1200
1600 1600

A cricketer has a certain average for 10 innings. In the eleventh inning, he scored 108 runs, there by increasing his average by 6 runs. His new average is_____________?

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Your Answer:

48 runs 48 runs
52 runs 52 runs
55 runs 55 runs
60 runs 60 runs

The diagonals of a rhombus are 15 cm and 20 cm. Find its area?

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Your Answer:

120 sq m 120 sq m
300 sq m 300 sq m
150 sq m 150 sq m
480 sq m 480 sq m

Solve the equation for x : 6x – 27 + 3x = 4 + 9 – x

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Your Answer:

4 4
5 5
6 6
-4 -4
None of these None of these

18 × (12 – 3) is same as

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Your Answer:

A) 18 × 12 + 18 × 3 A) 18 × 12 + 18 × 3
B) 18 × 12 × (-3) B) 18 × 12 × (-3)
C) 18 × 12 – 18 × 3 C) 18 × 12 – 18 × 3
D) 18 × 8 D) 18 × 8

If $10x = 120$, find $x$

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Your Answer:

10 10
11 11
13 13
12 12

Which term of the sequence 3, 6, 12,… is 768?

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Your Answer:

A) 10 A) 10
B) 8 B) 8
C) 9 C) 9
D) None of these D) None of these

Sampling Error decrease by _______ the sample size?

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Your Answer:

Increase Increase
Decrease Decrease
Sampling Sampling
Population Population

The perimeter of a rectangle with length \$36$ cm and width \$14$ cm is:

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Your Answer:

96 cm 96 cm
98 cm 98 cm
102 cm 102 cm
100 cm 100 cm

A polygon having 8 sides is called:

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Your Answer:

hexagon hexagon
nonagon nonagon
decagon decagon
octagon octagon

A trader bought a car at 20% discount on its original price. He sold it at a 40% increase on the price he bought it. What percent of profit did he make on the original price?

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Your Answer:

10% 10%
11% 11%
12% 12%
15% 15%

The inverse of the function $y=\frac{10^{x}-10^{-x}}{10^{x}+10^{-x}}$ is

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Your Answer:

A) $\log _{10}(2-x)$ A) $\log _{10}(2-x)$
B) $\frac{1}{2} \log _{10}\left(\frac{1+x}{1-x}\right)$
C) $\frac{1}{2} \log _{10}(2 x-1)$ C) $\frac{1}{2} \log _{10}(2 x-1)$
D) $\frac{1}{4} \log \left(\frac{2 x}{2-x}\right)$ (\frac{1}{2} \log _{10}\left(\frac{1+x}{1-x}\right)\)

A polynomial of degree ‘3’ is called:

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Your Answer:

zero polynomial zero polynomial
cubic polynomial cubic polynomial
linear polynomial linear polynomial
quadratic polynomial quadratic polynomial

₹ 7000 is given at 7% p.a. rate of interest. The interest which will be received at the end of the three years is

1 Mark(s)

Your Answer:

A) ₹ 1455 A) ₹ 1455
B) ₹ 1410 B) ₹ 1410
C) ₹ 1400 C) ₹ 1400
D) ₹ 1470 D) ₹ 1470

| 5 | should be equal to:

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Your Answer:

5 5
−5 −5
0 0
1 ⁄ 5 1 ⁄ 5

Which of the following test use Rank Sums____________?

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Your Answer:

Kruskal-Wallis and Wilcoxon tests Kruskal-Wallis and Wilcoxon tests
Runs test Runs test
Chi-Square and sign test Chi-Square and sign test
F test F test

Statistics has handicap dealing with_____________?

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Your Answer:

Constant Constant
Variable Variable
Quantitative data Quantitative data
Qualitative data Qualitative data

(- 4) + (+3) = ?

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Your Answer:

A) – 1 A) – 1
B) 1 B) 1
C) 0 C) 0
D) + 2. D) + 2.

A man took a loan from a bank at the rate of 12% p.a. simple interest. After 3 years he had to pay Rs. 5400 interest only for the period. The principal amount borrowed by him was :

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Your Answer:

Rs. 2000 Rs. 2000
Rs. 10,000 Rs. 10,000
Rs. 15,000 Rs. 15,000
Rs. 20,000 Rs. 20,000

The value of p + p + q + q – p – q is equal to

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Your Answer:

A) 2p + 2q A) 2p + 2q
B) p + q B) p + q
C) 2p C) 2p
D) 2q D) 2q

Four dice are thrown simultaneously. What will be the probability that all of them have the same face?

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Your Answer:

1/6 1/6
1/36 1/36
1/216 1/216
None of the above None of the above

If two mixers and one T.V cost Rs. 7000. While two T.V s and one mixer cost Rs. 9800. The value of one T.V is:_________?

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Your Answer:

Rs. 2800 Rs. 2800
Rs. 2100 Rs. 2100
Rs. 4200 Rs. 4200
Rs. 8400 Rs. 8400

The perimeter of the figure 1 cm is

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Your Answer:

A) 5 cm A) 5 cm
B) 10 cm B) 10 cm
C) 15 cm C) 15 cm
D) 20 cm D) 20 cm

The value of a plant depreciates by 10 % annually. If the present value of the plant is Rs. 100000, then what will be its value after 2 years?

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Your Answer:

Rs. 8000 Rs. 8000
Rs 10000 Rs 10000
Rs. 18000 Rs. 18000
Rs. 81000 Rs. 81000

If P(A∩B) =1/4 then P(AUB) is ________________?

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Your Answer:

1/2 1/2
1/3 1/3
1/12 1/12
3/8 3/8

The smallest individuals which constitute the entire population are called __________________?

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Your Answer:

Sampling frame Sampling frame
Sampling units Sampling units
Sample pop Sample pop
Sample design Sample design

A sum of $₹5000$ is divided among A, B, and C in the ratio \$2:3:5$. Find C's share.

1 Mark(s)

Your Answer:

₹2500 ₹2500
₹2000 ₹2000
₹3000 ₹3000
₹1500 ₹1500

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Statistics Mock Test 3 : Question 1 of 41