Chapter 10

Question 1

Values of two variables, each plotted on its own axis to exhibit possible correlation

Answer 1

scatter plot

Question 2

The number of observations in one particular category divided by the grand total of observations.

Answer 2

proportion

Question 3

general direction something is going

Answer 3

trend

Question 4

numerical data with an equal and definitive ration between each point and absolute”zero” is the point of origin

Answer 4

ratio data

Question 5

observation taken on a variable at different points in time

Answer 5

time series data

Question 6

brief summaries (or factoids) of a dataset that provide a representation of the dataset as a whole

Answer 6

descriptive statistics

Question 7

what data visualization should you use for the trend of N.I over the past 5 years

Answer 7

bar/line chart

Question 8

what data visualization should you use for emphasizing proportions

Answer 8

pie chart

Question 9

what data visualization should you use for ratio data (data emphasizing zero)

Answer 9

bar/line chart

Question 10

what data visualization should you use for numerical data

Answer 10

bar/line chart

Question 11

what data visualization should you use for a companies sales versus sales returns

Answer 11

bar/line chart

Question 12

what data visualization should you use for categorical data

Answer 12

pie chart

Question 13

what type of data analytics is a scatter plot

Answer 13

diagnostic or predictive

Question 14

what type of data analytics is time series data

Answer 14

predictive

Question 15

what type of data is tables displaying sensitivity analysis

Answer 15

prescriptive

Question 16

what type of data is pie charts

Answer 16

descriptive

Question 17

what type of data is a breakeven graph

Answer 17

prescriptive

Question 18

what type of data is a line and bar chart

Answer 18

descriptive

Question 19

what type of data is a box plot

Answer 19

diagnostic

Question 20

what type of data is a histogram

Answer 20

descriptive

Question 21

Line charts should only be shown in ________ order to emphasize ________

Answer 21

chronological, trend

Question 22

Pie charts lend themselves well to _________ data showing proportions.

Answer 22

categorical

Question 23

____________ are observations on values taken on by a variable at different points in time.

Answer 23

time series data

Question 24

_________ are brief summaries (or factoids) of a dataset that provide a representation of the dataset as a whole.

Answer 24

descriptive stats

Question 25

________ show values of two variables each plotted on its own axis to exhibit potential ________

Answer 25

scatterplots, correlation

Question 26

correlations, scatter plots, regression results, and time series analysis are generally associated with _________ analytics

Answer 26

predictive

Question 27

diagnostic analytics includes which type of visualization

A. box plots
B. scatter plots
C. pivot charts
D. time series

Answer 27

box plots

Question 28

Scatter plots are more meaningful if they include a _______.

Answer 28

trend line

Question 29

An outlier showing on a box plot will typically appear ________ the maximum or minimum value within the expected range.

Answer 29

outside

Question 30

Accounting figures and money are most likely to be shown as __________

Answer 30

ratio data

Question 31

horizontal axis

Answer 31

typically used for labels

Question 32

vertical axis

Answer 32

usually used for values (aggregated sum or average of what we are measuring)

Question 33

scale

Answer 33

the scale by which the values are measured

Question 34

tick marks

Answer 34

increments of the scale that are listed on the vertical axis

Question 35

data series

Answer 35

every observation in a chart, represents raw data visually

Question 36

data points

Answer 36

each data series is made up of individual data points

Question 37

What is typically captured on the vertical axis in a data visualization?

Answer 37

values

Question 38

What is typically captured on the horizontal axis in a data visualization?

Answer 38

Labels for categorical data

Question 39

What is bar charts useful for

Answer 39

time series data

Question 40

How must time series data be listed

Answer 40

chronological order

Question 41

line charts are useful for

Answer 41

communicating trends

Question 42

what are pie charts good for?

Answer 42

categorical data and showing proportions

Question 43

pie charts are rarely used if there are more than how many categories

Answer 43

4

Question 44

pie charts are bad for…

Answer 44

time series data

Question 45

What charts are the best for showing data over time

Answer 45

line or bar charts

Question 46

what are dashboards good for

Answer 46

showing multiple visualizations in one place

Question 47

what are histograms

Answer 47

type of bar chart but instead of representing categories they represent bins or intervals

Question 48

Does histograms give you categorical data?

Answer 48

no only numerical data

Question 49

Difference between bar charts and histograms when it comes to data shown?

Answer 49

Bar charts show a variety of descriptive stats (avg, count, total) where histograms show just counts

Question 50

what are histograms useful for

Answer 50

showing frequency of groups of data

Question 51

why are outliers and anomalies important

Answer 51

show if something stand out and are part of diagnostic analytics

Question 52

what are the two ways anomalies and outliers can be addressed

Answer 52

“eye ball” the data or construct a box plot