Histogram

Question 1

is the process of collecting and analyzing input data to increase the accuracy of a simulation

Answer 1

Input data modeling

Question 2

The collection and analysis of input data require time and resource commitment, particularly in discrete event simulation (true or false)

Answer 2

true

Question 3

In a queuing system simulation, the typical input data are the distribution of time between arrivals and service time (true or false)

Answer 3

true

Question 4

Input data models provide a driving force for a simulation (true or false)

Answer 4

true

Question 5

What are the possible steps in developing an input data model?

Answer 5

1. Collecting data from a system.
2. Identifying the probability distribution to represent the input process.
3. Choose appropriate/applicable parameters for the distribution.
4. Evaluating the chosen distribution.

Question 6

is a big part of solving real-life problems, particularly in input data modeling

Answer 6

Data collection

Question 7

What are the following practices that are highly suggested to be observed during data collection?

Answer 7

1. Plan ahead and/or conduct a pre-observing session.
2. Perform general analysis of data as it is being collected.
3. Construct a scatter diagram to check for relationship between variables.
4. Check for auto-correlation.

Question 8

a mathematical representation of the degree of similarity between a given time series and a lagged version of itself over successive intervals

Answer 8

autocorrelation

Question 9

is a graphical representation that organizes a group of data points into user-specified ranges

It represents the frequency distribution of variables in a data set

Answer 9

histogram

Question 10

it condenses a graphical representation that organizes a group of data points into user-specified ranges.

It represents the frequency distribution of variables in a data set.

Answer 10

histogram

Question 11

Histograms are commonly used in Statistics to demonstrate how many of a certain type of variable occurs within a specific range (true or false)

Answer 11

true

Question 12

The common shape of the distribution, both for natural and industrial settings, is the …

Answer 12

normal distribution

Question 13

What are the other distribution shapes?

Answer 13

1. Bi-Modal Distribution.
2. Unitary Distribution.
3. Negatively Skewed. (Left skewed)
4. Positively skewed. (Right skewed)

Question 14

In histograms, the number of class intervals, or the class boundaries depends on the number of ..

Answer 14

observations and the dispersion of the data, and the square root of the sample size.