Free Certified Data Professional (Big Data Science) Questions and Answers

Question 1

Using a weighted average in

Accepted Answer

Forecasting

Answer

Weighted average is indeed used in forecasting. In forecasting, a weighted average is used to assign different weights or importance to different data points or periods based on their significance or relevance to the forecasted value.

Question 2

Why is Machine Learning Used in Data Science?

Accepted Answer

For Prediction

Answer

Machine learning plays a crucial role in data science, particularly in the context of prediction.

Question 3

Which of the following is a measure of spread for a random variable?

Accepted Answer

Standard deviation

Answer

The standard deviation is indeed a measure of spread for a random variable. It quantifies the amount of variation or dispersion in a set of data. A higher standard deviation indicates a greater spread of values, while a lower standard deviation suggests that the data points are closer to the mean.

Question 4

Which of the following traits best describes processed data?

Accepted Answer

None of the mentioned

Answer

The correct answer is "None of the mentioned." The characteristics listed do not accurately describe processed data.

Question 5

Using sequential modeling,

Accepted Answer

RNN

Answer

Sequential modeling is indeed done on Recurrent Neural Networks (RNNs). RNNs are a type of neural network architecture specifically designed to work with sequential data, such as time series or text data.

CDP - Certified Data Professional Practice Test

CDP - Certified Data Professional Practice Test

Free Certified Data Professional (Big Data Science) Questions and Answers