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Data Scientist Multitude Test

Quiz by Mondelez International Inc.

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40 questions
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  • Q1
    Which data storage solution is commonly used for structured data analysis?
    Relational database
    JSON document
    Blockchain
    Flat file
    30s
  • Q2
    What is the primary goal of exploratory data analysis (EDA)?
    To build predictive models
    To test hypotheses
    To discover patterns and insights
    To clean the data
    30s
  • Q3
    Which technique is commonly employed by data analysts to predict future trends based on historical data?
    Clustering
    Time series analysis
    Data wrangling
    Random sampling
    30s
  • Q4
    What is the term for a visual representation of data designed to communicate information clearly and efficiently?
    Spreadsheet
    Dashboard
    Report
    Document
    30s
  • Q5
    What is the primary purpose of data cleansing in data analysis?
    To ensure data quality
    To create visualizations
    To increase data size
    To program algorithms
    30s
  • Q6
    Which statistical measure is often used to understand the spread of data points in a dataset?
    Standard deviation
    Median
    Mode
    Mean
    30s
  • Q7
    What programming language is commonly used for data analysis and manipulation?
    Python
    C#
    Java
    HTML
    30s
  • Q8
    Which key skill is essential for a Data Analyst when handling large datasets?
    Data visualization
    Singing
    Cooking
    Painting
    30s
  • Q9
    What type of chart is most effective for showing the distribution of a dataset?
    Histogram
    Pie chart
    Bar chart
    Line chart
    30s
  • Q10
    Which of the following is a common function used in data manipulation with Python's Pandas library?
    filter()
    merge()
    concat()
    plot()
    30s
  • Q11
    What primary skill is essential for a Data Analyst when interpreting data?
    Project management
    Machine learning
    Programming languages
    Data visualization
    30s
  • Q12
    What does the term 'data cleaning' refer to in data analysis?
    Collecting data from various sources
    The process of correcting or removing inaccurate records from a dataset
    Creating visual representations of data
    Storing data in a database
    30s
  • Q13
    Which of the following tools is commonly used by Data Analysts for data manipulation and analysis?
    PowerPoint
    Illustrator
    Excel
    Photoshop
    30s
  • Q14
    What type of data visualization is most effective for showing the relationship between two numerical variables?
    Pie chart
    Scatter plot
    Histogram
    Bar chart
    30s
  • Q15
    Which statistical measure is commonly used to understand the central tendency of a dataset?
    Standard deviation
    Range
    Mean
    Variance
    30s

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