Data AnalysisDimensionality Reduction
Learn Mode

Descriptive Terminology Quiz

Go to Quiz Page
#1

Which term describes data that is organized into rows and columns?

Tabular
Explanation

Data organized in rows and columns.

#2

What does the acronym 'SQL' stand for?

Structured Query Language
Explanation

Language for managing databases.

#3

What term describes a statistical measure that represents the average value of a dataset?

Mean
Explanation

Average value of a dataset.

#4

What does the acronym 'API' stand for in computer science?

Application Program Interface
Explanation

Interface for software communication.

#5

In programming, what is the term for a piece of code that repeats a set of instructions until a specific condition is met?

Loop
Explanation

Repetitive code structure.

#6

In statistics, what does 'skewness' refer to?

The measure of asymmetry
Explanation

Degree of asymmetry in a dataset.

#7

What is the term for the statistical technique used to reduce the dimensionality of a dataset?

Dimensionality reduction
Explanation

Reducing dataset dimensions.

#8

In machine learning, what does 'overfitting' refer to?

When a model captures noise in the training data
Explanation

Model fitting noise in training data.

#9

Which statistical test is used to determine if there is a significant association between two categorical variables?

Chi-square test
Explanation

Testing categorical variable association.

#10

Which data structure allows for the efficient retrieval of the smallest (or largest) element in logarithmic time?

Heap
Explanation

Efficient retrieval of extreme elements.

#11

What is the term for the process of transforming input data into a more manageable form for analysis?

Preprocessing
Explanation

Data preparation for analysis.

Test Your Knowledge

Craft your ideal quiz experience by specifying the number of questions and the difficulty level you desire. Dive in and test your knowledge - we have the perfect quiz waiting for you!