Correlation is the relationship between_____variables

Data Analytics - Quiz(MCQ)

One

Two

Three

Four

Correct Answer : Two

Explanation : Correlation is the strength of a relationship between two variables, and the Pearson's correlation coefficient measures how strong that relationship is. The correlation of two variables is the statistical link between them :

A positive correlation means that both variables move in the same direction, while a negative correlation means that when one variable's value rises, the other variable's value falls.

Recently Updated in Data Analytics Questions

________ Analysis is used to analyze a system in terms of its requirements to identify its impact on customers’ satisfaction. Fill in the blank.

Impact

Kano

Paretto

RootCause

Correct Answer : Kano

Explaination : The Kano analysis is used to analyze a system in terms of its requirements and identify its impact on customers' satisfaction.

This analysis helps to categorize customer preferences into different types: basic requirements, performance requirements, and excitement requirements.

By understanding these different types of requirements, businesses can prioritize their efforts and focus on delivering features and functionalities that will truly satisfy their customers.

According to a very recent Jaspersoft Survey, what is the most popular big data store?

MongoDB

Hadoop HDFS

Both (A) and (B)

Relational Databases

Correct Answer : Relational Databases

Explanation : The most popular big data store according to the recent Jaspersoft Survey is Relational Databases.

By 2025, the volume of data will increase to_____.

Correct Answer : ZB

Explanation : It is projected that 2.5 quintillion bytes of data are created every day, with the volume of digital data expected to reach Zeta Byte by 2025.