AP CSP 3: Data

What would be a better chart type for this data? 

• Current chart
• Line Chart
• Pie Chart
• Bar Chart

Definition: Ability to accommodate larger amounts of data and/or more users as time progresses

• Scalability 
• Metadata
• Frequency
• Privacy

Which of the following would be considered metadata of a survey administered to all MFHS students asking about lunch choices? 

• Which lunch option the most students preferred
• The average 1-5 rating of each lunch choice
• The time each survey response was collected

Describe the correlation relationship when one variable increases as the other decreases

• Direct

• Indirect

• No relationship

Which of the following is a generally acceptable data cleaning procedure?

• Using fewer significant figures
• Rounding all data points up to the nearest 10
• Ignoring a row of incomprehensible responses
• Deleting rows of data that make analysis more challenging

Describe the correlation relationship when two variables increase together and decrease together

• Direct

• Indirect

• No relationship

This chart is from Google trends. What does it likely indicate?

• "Chicago Cubs" is searched more than "Cleveland Indians"
• The Chicago Cubs were destined to win the World Series
• The Cleveland Indians are less popular than the Chicago Cubs
• Ohio is the only state that supports the Cleveland Indians

Which of the following is NOT an example of metadata for an image file?

• Size of the image
• Date the image was create
• Image resolution
• Copy of each image pixel

Which of the following is a likely source of bias in regards to collecting data about a city's governmental policies? 

• Surveying a random 10% representation of the population
• Surveying different neighborhoods regarding different topics
• Having the survey available only on a mobile application
• Having the survey available in digital and paper formats

Which chart type is best for presenting data with no apparent trend (or when you don't want to impose a trend)?

• Bar/Column
• Line
• Scatter Plot
• Pie