Descriptive Terminology Quiz

Dive into our quiz on Dimensionality Reduction and key data science terms. Challenge your understanding on topics like skewness, SQL, API, and more.

#1

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

Hierarchical
Tabular
Scalar
Linear
1 answered
#2

What does the acronym 'SQL' stand for?

Structured Query Language
Sequential Query Language
Standard Query Language
Special Query Language
1 answered
#3

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

Median
Mode
Mean
Range
1 answered
#4

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

Application Program Interface
Advanced Programming Interface
Automated Protocol Interface
Automated Program Interaction
1 answered
#5

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

Function
Loop
Module
Variable
1 answered
#6

In statistics, what does 'skewness' refer to?

The measure of symmetry
The measure of peakness
The measure of spread
The measure of asymmetry
1 answered
#7

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

Regression
Clustering
Dimensionality reduction
ANOVA
1 answered
#8

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

When a model performs well on unseen data
When a model performs poorly on training data
When a model captures noise in the training data
When a model has too few parameters
1 answered
#9

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

t-test
Chi-square test
ANOVA
Pearson correlation
1 answered
#10

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

Queue
Heap
Linked list
Stack
1 answered
#11

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

Normalization
Standardization
Preprocessing
Aggregation
1 answered

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