accounting analytics exam 2

__________ mark the split between one class and another. - decision trees - identified questions - decision boundaries -linear classifiers

decision boundaries

_______mark the split between one class and another. -decision trees -decision boundaries -identifying questions -linear classifiers

decision boundaries

________ are the kind of visualizations that present findings to an audience. declarative static exploratory interactive

declarative visualizations

________ are the product of wanting to present findings to an audience. declarative static exploratory interactive

declarative visualizations

Diagnostic analytics include all of the following except: -similarity matching -clustering -profiling -all of the above

-all of the above

Which approach attempts to discover associations between individuals based on transactions involving them? -classification -regression -similarity matching -co-occurence grouping

-co-occurence grouping

Which of the following best describes a dependent variable? -output -input -application -operation

-output

In general, the simpler the model, the greater the chance of: -overfitting the data -under-fitting the data -pruning the data -the need to reduce the amount of data considered

-under-fitting the data

Which chart is best described as useful for when quartiles, median, and outliers are required for analysis and insights? Scatter plots Box and whisker plots Line chart Pie chart

Box and whisker plots

Which of the following is not an example of discrete data? Points earned in a basketball game Points earned in a hockey game Points earned in a diving match Points earned in a soccer game

Points earned in a diving match

Line charts are not recommended for what type of data? Normalized data Qualitative data Continuous data Trend lines

Qualitative data

What is the most appropriate chart when showing a relationship between two variables? Scatter chart (scatter plot) Bar chart Pie graph Histogram

Scatter chart (scatter plot)

Which of the following is not one of the four main questions to consider when creating your data scale and increments? How much data should be displayed in the visualization? Should outliers be displayed? What scale should be used to display the data? Which colors should be displayed?

Which colors should be displayed?

When working with a predictive model, under fitting the data is most likely caused by ________. -an overly complex model -an overly simple model -over pruning the data -a lack of data reduction

an overly simple model

An observation about the frequency of leading digits in many real-life sets of numerical data is called: -leading digits hypothesis -moores law -benford's law -clustering

benfords law

Which approach to data analytics attempts to assign each unit in population into small set of classes where it belongs? -classification -regression -similarity matching -co-occurance grouping

classification

Which approach to data analytics attempts to divide individuals into groups in a useful or meaningful way? -clustering -data reduction -similarity matching -co-occurence grouping

clustering

________ is data that is represented by whole numbers. Continuous data Discrete data Interval data Ordinal data

discrete

While overfitting data could lead to an error rate of 0, it is unlikely that you would be able to _____ your results. -define -specify -generalize -articulate

generalize

The following are typical examples of nominal data except: Hair color Eye color Gender Height

height

Which of the following best describes an independent variable? -output -input -application -operation

input

Results using the Fahrenheit scale would be best described as an example of: Nominal data Ordinal data Ratio data Interval data

interval

The Fahrenheit scale of temperature measurement would best be described as an example of: interval data. discrete data. nominal data. continuous data.

interval data.

The following charts are frequently considered for depicting qualitative data except: Line chart Pie chart Bar chart Stacked bar chart

line

Which approach to data analytics attempts to forecast a relationship between two data items? -link prediction -regression -similarity matching -co-occurence grouping

link prediction

Which approach to data analytics attempts to forecast a relationship between two data items? -regression -link prediction -similarity matching -co-occurance grouping

link prediction

Which approach to data analytics attempts to predict a relationship between two data items? -classification -link prediction -similarity matching -co-occurance grouping

link prediction

Polar bears, brown bears, black bears, and panda bears would be best described as an example of: nominal ordinal ratio interval

nominal

Red, Yellow, and Blue would be best described as an example of: nominal ordinal structured test

nominal

__________ data would be considered the least sophisticated type of data. Ratio Interval Ordinal Nominal

nominal

When considering the color theme for a visualization, which is the best color theme for a color blind audience? orange/blue scale red/green scale gray scale red/blue scale

orange/blue scale

1st place, 2nd place, and 3rd place would be best described as an example of: Nominal data Ordinal data Structured data Interval data

ordinal

Letter grades of A, B, and C would be best described as an example of: Nominal data Ordinal data Ratio data Interval data

ordinal

Gold, silver, and bronze medals would be examples of: nominal data. ordinal data. structured data. test data.

ordinal data

In general, the more complex the model, the greater the chance of ________. -overfitting the data -under-fitting the data -pruning the data -the need to reduce the amount of data considered

overfitting the data

The following charts are frequently considered for depicting quantitative data except: Scatter plots Box plots Line chart Pie chart

pie chart

which approach attempts to characterize the behavior of an individual group or pop. by generating summary statistics? -classification -regression -profiling -link prediction

profiling

__________ data would be considered the most sophisticated type of data. Ratio Interval Ordinal Nominal

ratio

Which approach to data analytics attempts to predict, for each unit, the numerical value of some variable? -classification -regression -similarity matching -link prediction

regression

Which of the following is not a typical example of nominal data? Gender SAT scores Hair color Ethnic group

sat scores

Chart for identifying the correlation between two variables or for identifying a trend line or line of best fit? Scatter plots Box and whisker plots Line chart Pie chart

scatter

Which approach to data analytics attempts to identify similar individuals based on data known about them? -classification -clustering -similarity matching -co-occurence grouping

similarity matching

data organized and reside in a fixed field with record or file are generally contained in a relational db or spreadsheet -training -unstructured -structured -test

structured data

The following are typical examples of ratio data except: Currency Temperature Length Weight

temperature

__________ is a set of data used to assess the degree and strength of a predicted relationship. -training data -unstructured data -structured data -test data

test data

Justin Zobel suggests that Revising your writing requires you "be egoless," suggesting that it is _ you need to please. yourself the reader (or your audience) the customer your boss

the reader (or your audience)

_____ are existing data that have been manually evaluated and assigned a class and _________are existing data used to eval. model. -test data; training data -training data; test data -structured data; unstructured data -unstructured data; structured data

training data; test data

The chart below is an example of a ________.

word cloud