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
#2
What does the acronym 'SQL' stand for?
Structured Query Language
Sequential Query Language
Standard Query Language
Special Query Language
#3
What term describes a statistical measure that represents the average value of a dataset?
#4
What does the acronym 'API' stand for in computer science?
Application Program Interface
Advanced Programming Interface
Automated Protocol Interface
Automated Program Interaction
#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
#6
In statistics, what does 'skewness' refer to?
The measure of symmetry
The measure of peakness
The measure of spread
The measure of asymmetry
#7
What is the term for the statistical technique used to reduce the dimensionality of a dataset?
Regression
Clustering
Dimensionality reduction
ANOVA
#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
#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
#10
Which data structure allows for the efficient retrieval of the smallest (or largest) element in logarithmic time?
Queue
Heap
Linked list
Stack
#11
What is the term for the process of transforming input data into a more manageable form for analysis?
Normalization
Standardization
Preprocessing
Aggregation
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