Question
What is the range of values for the correlation
coefficient (r)?Solution
The correlation coefficient (r) ranges between -1 and +1.
Which approach is most effective in leveraging data for fraud detection in financial transactions?
Which of the following is the primary reason for ensuring stationarity in time series data before applying ARIMA models?
Which method helps to reduce bias when creating a sample from a population for analysis?
What is polymorphism in Python?
Why is sampling often preferred over using the entire population for data analysis?
A database holding sensitive customer data is compromised, and attackers exfiltrate data without altering it. Which principle of the CIA triad has been ...
What factor primarily determines the minimum sample size needed for a survey ?
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?
How is the optimal sample size determined in statistical analysis?
In R, which function is used to perform a t-test for comparing the means of two independent samples?
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