Topics

General Knowledge
General Science
General English
Aptitude
General Computer Science
General Intellingence and Reasoning
Current Affairs
Exams
Elementary Mathematics
English Literature

The less reliable measure of dispersion is

A) Regression coefficient
B) Standard deviation
C) Correlation coefficient
D) Range

Correct Answer:




D) Range

Description for Correct answer:
Range

Part of solved Statistics questions and answers : >> Elementary Mathematics >> Statistics

Comments

Similar Questions

1). The mean of 100 observations is 60. What will be the new value of mean if 8 1s subtracted from each observation and then divided by 4.

A). 50

B). 52

C). 13

D). 14

-- View Answer

2). The most stable measure of central tendency is

A). the mean

B). the median

C). the mode

D). geometric mean

-- View Answer

3). Two dice are thrown together. The probability of getting a total of 3 or 8 is

A). \( \Large \frac{24}{36} \)\

B). \( \Large \frac{8}{36} \)

C). \( \Large \frac{11}{36} \)

D). \( \Large \frac{7}{36} \)

-- View Answer

4). The height of 5 persons are 59, 63, 68, 60, 72 inches. The value of range is

A). 10

B). 13

C). 12

D). 15

-- View Answer

5). A bag contains 4 white, 6 red and 5 blue balls out of which one ball is drawn at random. The probability that it is neither white nor red is

A). \( \Large \frac{5}{15} \)

B). \( \Large \frac{4}{15} \)

C). \( \Large \frac{6}{15} \)

D). \( \Large \frac{3}{15} \)

-- View Answer

6). The probability of throwing either 7 or 11 with two dice is

A). \( \Large \frac{1}{6} \)

B). \( \Large \frac{2}{9} \)

C). \( \Large \frac{1}{8} \)

D). \( \Large \frac{23}{108} \)

-- View Answer

7). If A and B are the mutually exclusive events then \( \Large P \left(A\cup B\right) \) will be

A). \( \Large P \left(A\right)+P \left(B\right) \)

B). \( \Large P \left(A\right)+P \left(b\right)+POA\cap B \)

C). \( \Large P \left(a\right)+P \left(B\right)-P \left(A\cup B\right) \)

D). \( \Large P \left(A\right)+P \left(B\right)-P \left(A\cap B\right) \)

-- View Answer

8). The sum of deviation taken from Arithmetic mean is

A). 2

B). 0

C). 4

D). 5

-- View Answer

9). The arithmetic mean of 21, 30, 33, 64 is

A). 35

B). 28

C). 37

D). 42

-- View Answer

10). In a symmetrical distribution

A). Mean > Median > Mode

B). Mean < Median < Mode

C). Mean = Median = Mode

D). Mean > Median < Mode

-- View Answer