Mathematical Foundations MCQs

Topic-wise practice questions for Artificial Intelligence & Machine Learning. Test your knowledge, check solutions on demand, and pace your preparation.

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Q1hard
What does the following expression calculate?

result = np.sum((data - np.mean(data))**2) / len(data)
Q2easy
What does a Correlation Coefficient (r) of -1 indicate?
Q3medium
A dataset contains house prices with some extreme outliers (multi- million dollar mansions). Which measure of central tendency is the most robust representation of the "typical" house price?
Q4easy
Looking at this NumPy code, what will np.mean(arr) return?
Q5easy
Why is Matrix Multiplication essential for Deep Learning?
Q6easy
If two variables have a Covariance of 0, what can you conclude?
Q7easy
If a dataset has a variance of 16, what is its Standard Deviation?
Q8easy
Which matrix operation is required to find the Inverse of a matrix?
Q9easy
In Linear Algebra, what is a Transposed Matrix?
Q10easy
According to Bayes' Theorem, what does P(A|B) represent?