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The correct answer is A
Which of the following best represents semi-structured data?
You are combining sales data from three different sources, each with slightly different column names for the same information (e.g., "Product_ID," "Prod...
Which of the following is the most critical factor for implementing predictive analytics in the finance industry for risk modeling?
A company collects sales data from different regions, but the "Revenue" column uses inconsistent currency formats (USD, EUR, INR). What is the best appr...
A company notices a sudden spike in product returns during a specific quarter. Which type of analysis should be conducted to identify the root cause an...
What is the key difference between SQL and NoSQL databases in terms of data storage?
Which SDLC model integrates testing at every phase of development, ensuring defects are identified early?
A scatter plot reveals a strong positive linear relationship between two variables. Which of the following is the most appropriate statistical measure t...
A data analyst is tasked with improving operational efficiency by examining employee performance metrics and identifying bottlenecks. Which of the follo...
Which of the following statements is true regarding the Dickey-Fuller test in time series analysis?
