Data Mining Nostos Quiz

Data Mining Nostos Quiz Question and Answers

Collective outlier significantly deviates from the entire dataset.

  • True
  • False

__________ step of classification contributes to the construction of learning model.

  • Learning Step
  • Classification Step

__________ term portrays the process of discovering small pieces from a large volume of raw material.

  • Data Cleaning
  • Mining
  • Data

Classification predicts the value of __________ variable.

  • Categorical
  • Continuous

Which of the following helps in measuring the dispersion range of the data?

  • Variance
  • Interquartile range
  • Standard Deviation
  • Range
  • All the options
  • None of the options

Identify the algorithm that works based on the concept of clustering.

  • SVM
  • Decision Tree
  • K-Means

__________ stage of data science process helps in exploring and determining the patterns from the data.

  • Exploratory Data Analysis
  • Data Gathering
  • Data Cleaning
  • Data Description

Jacard Index distance measure is used on __________.

  • Numeric dataset
  • Non-numeric dataset

Regression can be used in predicting/forecasting Applications.

  • False
  • True

__________ step of KDD process helps in identifying valuable patterns.

  • Knowledge Presentation
  • Pattern Evaluation
  • Data Mining

__________ parameter of regression helps in identifying the direction of relationship between variables.

  • Measure of Discrepancy
  • Regression Coefficient

Clustering process works on _________ measure.

  • Confidence
  • Support
  • Probability
  • Distance
  • Lift

__________statistics provides the summary statistics of the data.

  • Inferential
  • Descriptive

Identify the algorithm that works based on the concept of classification.

  • SVM
  • Decision Tree
  • Random Forest
  • All the options
  • None of the options

__________association measure compares the confidence with the expected confidence.

  • Confidence
  • Lift
  • Support

Inferential statistics is used in __________ datasets.

  • Population
  • Sample
  • All the Options (ans)

__________ stage of data science process helps in converting raw data into a machine-readable format.

  • Exploratory Data Analysis
  • Data Cleaning
  • Data Gathering
  • Data Description

The science of collecting, interpreting, and analyzing data is known as __________.

  • Statistics
  • Data Description
  • Data Collection
  • Probability

__________ aids in identifying associations, correlations, and frequent patterns in data.

  • Clustering
  • Classification
  • Association Rule Mining

Descriptive statistics is used in __________ datasets.

  • Sample
  • Population

In Association Rules, the Antecedent and Consequent form a disjoint set.

  • True
  • False

__________ outlier significantly deviates based on the context selected.

  • None of the options
  • Collective Outlier
  • Global Outlier
  • Contextual Outlier

Identify the application of the Outlier Detection Method.

  • Intrusion Detection (ans)
  • Market-Based Analysis
  • Prediction/Forecasting
  • All the options

Distance measure(s) used in clustering process of Numeric Dataset is/are __________.

  • Manhattan Distance
  • Minkowski
  • Hamming
  • All the options

Classification is a __________ task.

  • Data Cleaning
  • Data Integration
  • Data Analysis
  • Data Transformation

Identify the Unsupervised Learning method.

  • Clustering
  • Classification
  • Association Rule Mining

Which of the following helps in measuring the central tendency of the dataset?

  • Median
  • Mode
  • Mean
  • All the options

Which of the following association measure helps in identifying how frequently the item appears in a dataset?

  • Confidence
  • Lift
  • Support

Which among the following is/are (an) Ensemble Classifier?

  • Bagging
  • Boosting
  • Random Forest
  • All the options

Derived relationships in Association Rule Mining are represented in the form of __________.

  • Rules
  • Decision Tree
  • Charts
  • All the options

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