WEEK-3 VISUALIZATION

1.

Question 1

What do you think “grain of the data” means?

1 point

What one row of data represents

What one column of data represents

2.

Question 2

What is the “grain” of the London Bus Safety Performance data set?

1 point

One month of bus accidents in London, UK

One victim of a bus accident in London, UK

One bus accident in London, UK

3.

Question 3

What is a great way to use a bar chart?

1 point

Showing cause-and-effect relationships

Showing overlap

Finding patterns in your data

4.

Question 4

What happens when you add a dimension to the Rows shelf if you already have the Number of Records on the view, displayed as text?

1 point

Tableau throws an error because you cannot show the Number of Records as text.

Tableau automatically does a “group by” on that dimension and aggregates the Number of Records field.

5.

Question 5

Tableau automatically creates a _______ for any date field

1 point

Line chart

Worksheet

Hierarchy

6.

Question 6

Select the correct statement.

1 point

You can expand/collapse a date hierarchy as many times as you would like.

Once you expand a date hierarchy, you cannot collapse it again.

7.

Question 7

During which phase of building a visualization do treemaps work particularly well?

1 point

Presentation phase

Data exploration phase

Data gathering phase

8.

Question 8

What is the maximum number of measures you can have in your view for the treemap button to light up on the Show Me menu?

1 point

One measure

Two measures

9.

Question 9

In general, people in the Western world read from _________________ so it is a good idea to organize our dashboards to fit this paradigm.

1 point

Left to right, top to bottom

Right to left, bottom to top

10.

Question 10

Which of the following are options under “Run on…” in the Add Filter Action dialogue box? (Select all that apply.)

1 point

Focus

Select

Menu

Download

Hover