Questions

Q:

The sampling distribution of a statistic is

 

 

A) A normal curve, for which probabilities are obtained by standardizing.  B) A distribution of all possible summary statistics from a single random sample, from the same population.
C) A distribution of all parameters from the population that is to be randomly sampled. D) The mechanism that determines whether the random sampling was effective. 
 
Answer & Explanation Answer: A) A normal curve, for which probabilities are obtained by standardizing. 

Explanation:

The sampling distribution of a statistic is the distribution of the statistic for all possible samples from the same population of a given size.

 

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Filed Under: Indian Economy
Exam Prep: Bank Exams

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Q:

Bone deformities occur due to the excess intake of

A) Phosphorus B) Potassium
C) Fatty acid D) Fluorine
 
Answer & Explanation Answer: D) Fluorine

Explanation:
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Filed Under: Biology

210 23207
Q:

What does airbag, used for safety of car driver, contain?

A) Sodium bicarbonate B) Sodium azide
C) Sodium nitrite D) Sodium peroxide
 
Answer & Explanation Answer: B) Sodium azide

Explanation:
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Filed Under: General Science

203 23185
Q:

Markup tags tell the web browser

A) How to display the file B) How to organise the page
C) How to display message box on page D) None of the above
 
Answer & Explanation Answer: A) How to display the file

Explanation:

Markup tags tell the web browser how to display the file.

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Filed Under: Computer
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

34 23163
Q:

What is the oxidation number of sulfur in H2S?

A) 2 B) -2
C) 1 D) -1
 
Answer & Explanation Answer: B) -2

Explanation:

The sum of the oxidation numbers in a compound must equal zero. In the compound hydrogen sulfide, H2S, the two hydrogen atoms have an oxidation number of +1, for a total of +2.

 What_is_the_oxidation_number_of_sulfur_in_H2S1556279499.jpg image

Therefore, the oxidation number of sulfur in the compound is -2, and the sum of the oxidation numbers is 0.

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Filed Under: Chemistry
Exam Prep: GATE , CAT , Bank Exams , AIEEE
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31 23162
Q:

Computer networks constituting the internet are connected by telephones, underwater cables and _____________

 

A) e-mail B) e-books
C) Public telephone booths D) Satellites
 
Answer & Explanation Answer: D) Satellites

Explanation:
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Filed Under: Computer
Exam Prep: Bank Exams

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Q:

 Which of the following is the original purpose of SQL?

A) To specify the syntax and semantics of SQL data definition language B) To specify the syntax and semantics of SQL manipulation language
C) To define the data structures D) All of the above.
 
Answer & Explanation Answer: D) All of the above.

Explanation:

SQL is a domain-specific language used in programming and designed for managing data held in a relational database management system, or for stream processing in a relational data stream management system.

 

Purpose of SQL are ::

* To define the data structures

* To specify the syntax and semantics of SQL manipulation language

* To specify the syntax and semantics of SQL data definition language

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Filed Under: Database
Job Role: Analyst , Database Administration , IT Trainer

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Q:

January 1 is observed as

A) Global family day B) World red cross day
C) World telecommunication day D) Common wealth day
 
Answer & Explanation Answer: A) Global family day

Explanation:
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