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r= -1/6. (The sign of r depends on the sign of regression coefficients. It takes the sign of the regression coefficients always)
If a dataset has a mean significantly higher than the median, which of the following is most likely true?
Which of the following characteristics best differentiates Big Data from Traditional Data ?
Which of the following Python libraries is most suitable for handling large datasets efficiently and performing complex data manipulations?
Which of the following is an effective method for handling inconsistent data in a merged dataset?
When performing trend analysis for forecasting sales, which of the following methods is most commonly used to identify future trends based on historical...
A data analyst in a multinational company is tasked with generating insights from sales data. Which of the following best describes the primary respons...
Which of the following IoT protocols is specifically designed for low-power, low-bandwidth communication between IoT devices?
In SQL, which type of JOIN will return all rows from the left table and the matching rows from the right table, filling with NULLs where there is no match?
Which data validation step is crucial to ensure that all entries in a customer email column are correctly formatted?
In time series forecasting, which method combines the concepts of autoregression and moving averages with differencing to make non-stationary data stati...
