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Question (1)

QN0020052

Which measure of central tendency is obtained by dividing the sum of all values by the number of values?

(A) Mode
(B) Median
(C) Mean
(D) Range

Correct Answer: C

Explanation:

Mean = Sum of all observations ÷ Number of observations.

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Question (2)

QN0020053

For any two numbers, the mean lies exactly ________.

(A) at the larger number
(B) at the smaller number
(C) halfway between them
(D) outside the numbers

Correct Answer: C

Explanation:

The mean of two numbers is exactly midway between them.

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Question (3)

QN0020054

The median of a sorted data set is the ________ value.

(A) largest
(B) smallest
(C) middle
(D) repeated

Correct Answer: C

Explanation:

Median is the middle value in ordered data.

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Question (4)

QN0020055

In the balancing interpretation of mean, the total distances on both sides of the mean are ________.

(A) unequal
(B) zero
(C) equal
(D) doubled

Correct Answer: C

Explanation:

Mean balances the total distances on both sides equally.

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Question (5)

QN0020056

Which statement best defines the median?

(A) Sum of values divided by number of values
(B) Most frequently occurring value
(C) Middle value in sorted data
(D) Difference between highest and lowest values

Correct Answer: C

Explanation:

Median is the middle value after arranging data.

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Question (6)

QN0020057

What is the mean of 6 and 14?

(A) 8
(B) 10
(C) 12
(D) 20

Correct Answer: B

Explanation:

(6 + 14) ÷ 2 = 10.

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Question (7)

QN0020058

Find the mean of 10, 10, 11 and 17.

(A) 11
(B) 12
(C) 13
(D) 14

Correct Answer: B

Explanation:

(10 + 10 + 11 + 17) ÷ 4 = 12.

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Question (8)

QN0020059

The mean of 4, 8 and 12 is:

(A) 6
(B) 7
(C) 8
(D) 9

Correct Answer: C

Explanation:

(4 + 8 + 12) ÷ 3 = 8.

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Question (9)

QN0020060

The mean of 5, 7, 9, 11 and 13 is:

(A) 8
(B) 9
(C) 10
(D) 11

Correct Answer: B

Explanation:

Sum = 45, Mean = 45 ÷ 5 = 9.

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Question (10)

QN0020061

A data set has mean 20. A new value 28 is included. The new mean will:

(A) decrease
(B) remain same
(C) increase
(D) become 28

Correct Answer: C

Explanation:

Adding a value greater than the mean increases the mean.

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Question (1)

Which measure of central tendency is obtained by dividing the sum of all values by the number of values?

Explanation:

Link:

Question (2)

For any two numbers, the mean lies exactly ________.

Explanation:

Link:

Question (3)

The median of a sorted data set is the ________ value.

Explanation:

Link:

Question (4)

In the balancing interpretation of mean, the total distances on both sides of the mean are ________.

Explanation:

Link:

Question (5)

Which statement best defines the median?

Explanation:

Link:

Question (6)

What is the mean of 6 and 14?

Explanation:

Link:

Question (7)

Find the mean of 10, 10, 11 and 17.

Explanation:

Link:

Question (8)

The mean of 4, 8 and 12 is:

Explanation:

Link:

Question (9)

The mean of 5, 7, 9, 11 and 13 is:

Explanation:

Link:

Question (10)

A data set has mean 20. A new value 28 is included. The new mean will:

Explanation:

Link:

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