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If Chetan's grandmother has only one child, and that child is Chetan's parent, then Chetan's parent is the only child of Chetan's grandmother. Therefore, Chetan's parent is the girl's parent as well. Since Chetan's parent is the girl's parent, Chetan is the girl's brother. Therefore, Chetan is the girl's brother.
You are tasked with analyzing sales data from multiple sources for a quarterly report. The raw data contains missing values and duplicate records. What ...
Which OOP concept ensures that the internal details of an object are hidden from the outside world, providing a clear interface for interaction?
When performing data normalization, what is the primary purpose?
Which IoT communication protocol is lightweight and optimized for constrained devices?
A hospital uses a data-driven approach to improve patient care. They identify that patients with similar conditions respond differently to treatments b...
An employee in a financial organization receives an email claiming to be from the company CEO, asking them to urgently transfer funds to a specific acco...
Which of the following is a key advantage of using box plots over histograms for visualizing data?
In time series forecasting, which method combines the concepts of autoregression and moving averages with differencing to make non-stationary data stati...
In data transformation, what is the primary purpose of standardization?
You have a dataset with inconsistent date formats (e.g., 'DD/MM/YYYY', 'MM-DD-YYYY', 'YYYY-MM-DD'). What is the first step you should take to standardiz...
