Question

1.When data analysts consider all the data from any object, this is an example of them turning on their _____.

Select one:

a. join lens

b. query goggles

c. data lens

d. spreadsheet lens

2. What is a form of data cleaning and transformation?

Select one:

a. building VLOOKUP or XLOOKUP functions to bring in data from other worksheets

b. building pivot tables, crosstabs, charts, or graphs

c. deleting columns or adding calculations to an Excel spreadsheet

d. Entering a good header for each field

3. Which role needs the most technical and working experience?

Select one:

a. data scientist

b. data analyst

c. data architect

d. data engineer

4. Which choice is not a valid data type?

Select one:

a. Start date

b. Text or String

c. Boolean

d. Number

Answer 1

Answer: 1. data lens

2. C * I'm not sure about that one*

3. D

4. A

Explanation: i got my answer was C since data transformation removed some information to a better one.