Online Access Free GMLE Practice Test

Which of the following statements about frequency distribution is correct?
Response:

• A.It displays how frequently different values occur in a dataset
• B.It measures the median of the dataset
• C.It provides a method to reduce dimensionality
• D.It predicts future data points based on historical data

Which of the following are key characteristics of genetic algorithms used in neural network optimization?
(Choose two)
Response:

• A.Fitness evaluation based on a predefined objective
• B.Manual selection of hyperparameters
• C.Evolution through mutation and crossover
• D.Random initialization of weights

Which techniques can be used to improve the performance of a linear regression model?
(Choose two)
Response:

• A.Increasing the number of decision trees
• B.Including interaction terms between variables
• C.Adding regularization, such as L1 (Lasso) or L2 (Ridge)
• D.Reducing the dataset size

Which of the following functions is used to calculate loss in a neural network during training?
Response:

• A.Softmax function
• B.Loss function
• C.Activation function
• D.Dropout function

What is Principal Component Analysis (PCA) a technique used for in unsupervised learning?
Response:

• A.Reducing the dimensionality of data
• B.Predicting future trends in data
• C.Improving the accuracy of classification models
• D.Clustering similar data points