Big Data

An infographic displays the relative frequencies of the top 100 most common GIF's used in text messaging for each of the past 12 months. Which of the following conclusions cannot be drawn from such representation of GIF usage?

• You can determine the growth or decline in popularity of a single GIF.

• You can determine what percentage of text messages contain a particular GIF.

• You can determine the average education level of GIF users based on GIF use.

• You can determine how long the most popular GIF has held the #1 spot.

Which of the following is NOT a benefit of making digital information and scientific databases openly available across the internet?

• Data scientists can discover previously unnoticed trends and patterns hidden with large data sets.

• Scientific researchers can more easily share data on research projects.

• Innovations in medicine can be developed from the increased knowledge gained from large data sets.

• Inaccurate and misleading data can be more easily disseminated to scientist researchers.

Consider the following relational database that contains the following census data.

Which of the following would be the result if a user were to query this database for any “City” with a population between 100,000 and 1,000,000?

• Albany, Dallas, New York, San Antonio, Utica

• Anaheim, Austin, Charlotte, Tempe

• Dallas, New York, San Antonio

• Austin, Dallas, San Antonio

Which of the following can be used to extract structured information from unstructured data?

• Organize data into information

• Identify patterns in data

• Create frameworks for information

• All of the above

The table below shows the time a computer system takes to complete a specified task on the customer data of different-sized companies.

Based on the information in the table, which of the following tasks is likely to take the longest amount of time when scaled up for a very large company of approximately 100,000 customers?

• Backing up data

• Deleting entries from data

• Sorting data

• Searching through data

Biologists often attach tracking collars to wild animals. For each animal, the following geolocation data is collected at frequent intervals.

1. time
2. date
3. location of the animal

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

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

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

• In what geographic locations does the animal typically travel?

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

Which of the following tasks best shows an example of using searching and sorting techniques of big data in order to find a useful pattern.

• Tallying how many pencils and pens you use throughout a school year so you know how many to buy for the start of the next school year to insure you will have enough

• Creating a seating chart for a classroom based on an alphabetized list of student Names

• Keeping track of all employees’ email use to see how many personal or work-related emails are sent during work time to check for productivity

• Recording the amount of time it takes a student to travel from one class to another class in order to find the average

A hospital that has its own pharmacy keeps track of the following information.

At the end of the week, all of the data is summarized into a database that is accessible by financial analysts of the hospital that can be sorted by any column in ascending or descending order.

Below is a portion of this database.

Which of the following cannot be determined from the information in the database?

a. How many unique prescriptions were filled for a patient in a certain room?

b. How many patients were in the hospital on a given day?

Which of the following cannot be determined from the information in the database?

• How many unique prescriptions were filled for a patient in a certain room?

• How many patients were in the hospital on a given day?

• What was the average cost of the medication, Lipitor, paid by patients?

• What day did the pharmacy filled the most prescriptions?

Temporal scan thermometers are popular tools in order to take a baby’s temperature. It uses sensors that when slowly moved across the forehead provides a temperature reading in either degrees Celsius or Fahrenheit. Which of the following has to deal with this type of thermometer’s usefulness and not usability?

• The thermometer outputs the temperature with a digital display that uses a backlight.

• The thermometer (when used properly) is accurate to within 0.2 degrees.

• The thermometer is reasonably priced, so most families can afford it.

• The thermometer is ergonomically designed to be comfortable to use.

A popular restaurant likes to keep track of what food their patrons are ordering so that they can be better informed about what items they need to order in preparation for the next week. What would be the best way for the restaurant to organize this data with that end goal in mind?

• Record the exact name of the meal that was ordered (Dave’s Famous Wings, Southwest Bacon Burger, Grilled Chicken Panini, etc).

• Keep track of what was ordered by the category that they fall under (Entree, Dinner, Appetizer, Salad, etc).

• List what meat, vegetable and fruit each customer ordered (steak - corn - apples, fish - peas - peaches, etc).

• Record the cost of each meal purchased and whether the customer got the meal as-is or substituted some items.