Data Visualization Test #2

Question 1

In a data.frame, which of the following lists the names of variables?

Accepted Answer

quantile()

Answer

barchart()

Answer

par()

Answer

names()

Question 2

Remove the table's grid lines and the chart's horizontal lines.

Accepted Answer

increases the data-ink ratio

Answer

does not affect the data-ink ratio

Answer

increases the Non-data-ink ratio

Answer

decreases the data-ink ratio

Question 3

_________ is used to search for and alter graphical settings.

Accepted Answer

par()

Answer

anova()

Answer

plot()

Answer

cum()

Question 4

The useful chart is a great way to show numerous variables.

Accepted Answer

scatter chart matrix

Answer

scatter chart

Answer

stacked column and bar chart

Answer

two-dimensional graph

Question 5

Which of the following is a tool for determining whether or not something is normal?

Accepted Answer

qqline()

Answer

lm()

Answer

anova()

Answer

qline()

Question 6

The graphs that can be used to make comparisons between

Accepted Answer

Both Bar & Column Charts

Answer

column charts

Answer

Bar charts

Answer

Pie charts

Question 7

Which method is utilized to calculate the coefficients of factor congruence?

Accepted Answer

factor.congruence

Answer

factor.cumsum

Answer

factor.mosaicplot

Answer

factor.xyplot

Question 8

A real-time data visualization tool with various outputs is known as

Accepted Answer

a data dashboard

Answer

a data table

Answer

a metrics table

Answer

None of the above

Question 9

Which of the following statements is incorrect?

Accepted Answer

Data visualization reduces insights and leads to slower decisions.

Answer

The ability to absorb information quickly is one of the benefits of data visualization.

Answer

Another type of visual art is data visualization.

Answer

None of the above