Big Data Practice

An Alaskan biologist is tracking a pod (group) of whales. For the whales, the following geolocation data is collected at frequent intervals.

-Time

-Data

-Geolocation of the sea mammals

Which of the following questions about a whale could NOT be answered using only the data collected from the tracking collars?

• Approximately how many miles did the animal travel in one week?

• Does the animal travel in groups with other tracked animals?

• Do the movement patterns of the animal vary according to the weather?

• In what geographic location does the animal typically travel?

Spotify is a music streaming service that uses metadata collected to suggest future playlists. The metadata contains the album name, the genre, the tags describing the music, the mood of the music, and the time and date the music was played. Which of the following CANNOT be determined using only the information contained in the metadata?

• The most popular current album

• The time when the streaming service is used

• Whether the streaming service is used more during inclement weather

• The least common mood of the audience

Why might it be more beneficial to create processing algorithms with a team rather than alone? Select TWO answers.

• Different team members will have different understanding of the concepts used, which can create stronger algorithms through their incorporation

• Team members will be able to socialize which can speed up the development process by reducing fatigue

• Team members will compete with each other, resulting in the best algorithm being chosen.

• Different team members will be skilled in different areas, so each part of the algorithm can be made by the most skilled in the necessary area.

A small business needed a way to keep track of their profit and expenses daily. The following are features of the spreadsheet application. Which of the following would be of most use to the business. Select TWO answers.

• The ability to create and add map charts

• The ability to create a graph of the data

• The ability to have specified rows (such as total profit) update automatically.

• An error checker that finds errors in advanced formulas.

A large data set contains information on students about to take the College Board's SAT test, including the following:

Student's parents' highest education level

Student's GPA

Student's Intended Major

College student interested

Student address

Student's high school name and location

Which can not be answered by analyzing this information?

• The number of students accepted to a college

• The number of students interested in a college major

• The average GPA for a college

• The college with the most interest from a high school