If the variance of a dataset is 16, the standard deviation is: MCQ with Answer and Explanation

Question

Share Report Error

If the variance of a dataset is 16, the standard deviation is:

A. 256

B. 4

C. 2

D. 8

Answer: Option B

Solution (By JKSSB Mock Tests)

SD = √variance = 4.

This question belongs to: Accountancy and Statistics Statistics

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Statistics Questions

Question #1

Share Report

In a frequency distribution, if the class midpoints are 10, 20, 30, 40, the class width is:

A. 20

B. 10

C. 15

D. 5

View Answer & Solution Discuss

Get Complete Subject PDF for Accountancy and Statistics

Correct Answer: Option B

Explanation:
Difference between consecutive midpoints = 10, so class width = 10.

This question belongs to: Accountancy and Statistics Statistics

Question #2

Share Report

Which of the following is a characteristic of a good question in a questionnaire?

A. Asking personal questions first

B. Being clear and concise

C. Being double-barreled

D. Using ambiguous words

View Answer & Solution Discuss

Get Complete Subject PDF for Accountancy and Statistics

Correct Answer: Option B

Explanation:
Clarity and conciseness prevent confusion.

This question belongs to: Accountancy and Statistics Statistics

Question #3

Share Report

Data classified based on geographical areas such as countries, states, or cities is known as:

A. Chronological classification

B. Spatial classification

C. Quantitative classification

D. Qualitative classification

View Answer & Solution Discuss

Get Complete Subject PDF for Accountancy and Statistics

Correct Answer: Option B

Explanation:
Spatial or geographical classification groups data according to physical locations or regions.

This question belongs to: Accountancy and Statistics Statistics

Explore All Statistics MCQs