Company: Infoedge_IITM
Difficulty: medium
Which of the following is TRUE for the eigenvalues of a n x n matrix?
Why is it difficult to compute meaningful statistical measures on full population data?
For any Normal distribution Z, which of the following is always TRUE?
A biased coin with P(Heads) = 0.8 is tossed until first tail appears. What is the probability that the coin was tossed exactly thrice?
From a population, we have selected 49 samples. If the distribution of sample means has an expected value of 32 and standard deviation of 5, what is the mean and the standard deviation for the population?
There are 4 red balls, 4 green balls and 4 white balls in a box. Please calculate the Gini coefficient of a ball randomly picked out of the box.
Pick the dataset with least similarity to Gaussian distribution:
In rolling a dice 300 times we get 54 ones, 46 twos, 54 threes, 46 fours, 50 fives and 56 sixes. What is the test statistic value for the goodness-of-fit test in this case?
Which of the statistical measures for a distribution is most likely to be influenced by extremities in the data?
Keeping everything else the same, which of the following order is MOST LIKELY CORRECT in terms of model prediction AUC if you have reasonably large data compared to the number of features and the relationships are stationary?
Why do we use kernels in SVM?
How can we do multi-class classification in SVM?
Consider two mushrooms as follows: Mushroom 1: (CONVEX, SCALY, WHITE, BRUISES, PUNGENT); Mushroom 2: (CONVEX, SMOOTH, BROWN, BRUISES, ALMOND). The Manhattan distance between two mushrooms is:
Support Vector Machine (SVM) is a: