Question
Which of the following are used for accurately
measuring very small time intervals?Solution
Anatomicclockisaclockdevice thatusesanelectronictransitionfrequencyinthe microwave, optical, or ultraviolet region of the electromagnetic spectrum of atoms as a frequency standard for its timekeeping element. Atomic clocks are the most accurate time and frequency standards known, and are used as primary standards for international time distribution services, to control the wave frequencyoftelevisionbroadcasts,andinglobal navigation satellite systems such as GPS.
In Power BI, which of the following is the best way to create an interactive report with multiple filters and dynamic charts?
During the data analysis process, which of the following steps is primarily focused on removing inaccuracies and ensuring the dataset's reliability?
A dataset contains "USA," "United States," and "U.S." as country entries. What is the best way to resolve these inconsistencies?
A data analyst has generated insights on customer retention trends. To effectively communicate these insights, which of the following techniques would b...
In which scenario is stratified sampling most suitable?
Which of the following features in Power BI allows for dynamically filtering data across multiple visuals with a single control element?
Which of the following is a key difference between structured and unstructured data?
Which of the following is an example of moving average forecasting?
How does metadata contribute to effective data management in large-scale data systems?
Why is sampling an essential method in data analysis, especially when dealing with large datasets?