Devry BIS445 Week 5 Quiz Latest 2016 March

Devry BIS445 Week 5 Quiz Latest 2016 March

1. Question : (TCO 6) An artificial neural network is composed of many interconnected ________.

artificial units

artificial cells

artificial neurons

artificial atoms

Question 2. Question : (TCO 6) Pioneers McCulloch and Pitts built their neural network model using a large number of interconnected ________ artificial neurons.

dual

binary

singular

serial

Question 3. Question : (TCO 6) The output of neurons can be the final result, or it can be a(n) ________ to other neurons.

source

contribution

key

input

Question 4. Question : (TCO 5) In linear regression analysis, which of the following represents the percent reduction in error when the line of best fit is used to make a prediction, compared to the error generated using the mean?

R-squared

F-statistic

The y-intercept

None of the above

Question 5. Question : (TCO 5) If a statistically significant linear regression model is y = 5x + 10, and x = 12, what is the predicted value of y?

17

2/5

10

70

Question 6. Question : (TCO 5) The summation function computes the ________ sums of all the input elements that are entered in each processing element.

weighted

averaged

total

aggregated

Question 7. Question : (TCO 6) Which of the following is not a consideration in selecting a neural network structure?

Selection of a topology

Determination of input nodes

Determination of output nodes

Determination of weighting functions

Question 8. Question : (TCO 5) All of the following are popular application areas of text mining, except:

information extraction.

document summarization.

question answering.

data structuring.

Question 9. Question : (TCO 6) Data mining differs from knowledge management in which of the following ways?

Data mining seeks to retain employee knowledge, while knowledge management seeks to guide knowledge.

Data mining uses the Internet more than knowledge management.

Data mining seeks to make ways of doing business known to others, while knowledge management is concerned with identifying patterns in data.

Data mining is concerned with identifying patterns in data, while knowledge management is concerned with ensuring employee knowledge stays with the company.

Question 10. Question : (TCO 6) The two main approaches to text classification are ________ and ________.

knowledge engineering; machine learning

categorization; clustering

association; trend analysis

knowledge; extraction

Question 11. Question : (TCO 6) Why does the Web pose great challenges for effective and efficient knowledge discovery?

The Web search engines are indexed-based.

The Web is too dynamic.

The Web is too specific to a domain.

The Web infrastructure contains hyperlink information.

Question 12. Question : (TCO 6) Which of the following components is considered the building block of an artificial neural network?

The PE

The training algorithm

The artificial neuron

The search algorithm

Question 13. Question : (TCO 6) A network which learns to make accurate predictions by comparing its own output to known output is called a _________ network.

unsupervised

dynamic

supervised

static

Question 14. Question : (TCO 6) This type of neural network problem seeks to classify inputs into classes, such as healthy or not healthy.

Clustering

Function approximation

Classification

Data mining

Question 15. Question : (TCO 6) This type of classification problem seeks to group data into categories that are the most unique when given the characteristics of the underlying data.

Clustering

Function approximation

Classification

Data mining