AP CSP Unit 5 Review-Data

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The image is from Google Trends that plots Cats and Dogs. Choose the most accurate description of what this data is actually showing based on what you know about how Google Trends works.

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People search for "dogs" more frequently than "cats"

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What is metadata?

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Data that is about the data.

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What is the goal of the data analysis process?

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To gain insight into new information

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What strategy is MOST likely to address concerns about the survey data being biased or inaccurate? Options: Finding the same people surveyed previously to ask more detailed questions, Visiting the same neighborhood to collect more survey responses, Visiting multiple new neighborhoods to collect more survey responses, Having her staff collect the data using an app rather than paper surveys.

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Visiting multiple new neighborhoods to collect more survey responses

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In which of the following situations would parallel systems MOST likely be used to help analyze data? Data analysis involving two or more columns of data, Data analysis involving both string and numeric data, Data analysis involving large datasets, Data analysis that could result in two or more different types of visualizations

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Data analysis involving large datasets

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Which of the following conclusions is BEST supported by the histogram chart?
More than half of all states are larger than 100,000 square miles
More than half of all states are smaller than 50,000 square miles
Some states are larger than 200,000 square miles
The most common size of states is between 50,000 and 100,000 square miles

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The most common size of states is between 50,000 and 100,000 square miles

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A restaurant is interested in learning about the food preferences of people living nearby and intends to use survey data to help decide which new items to add to the menu. Which of the following is LEAST likely to be part of the process used to analyze the data? Cleaning a data visualization to remove unwanted patterns, Iteratively creating visualizations to ask and answer new questions, Cleaning data to remove inconsistencies, Filtering the data to look at the responses from only certain groups

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Cleaning a data visualization to remove unwanted patterns

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A town decides to publicize data it has collected about electricity usage around the city. The data is freely available for all to use and analyze in the hopes that it is possible to identify more efficient energy usage strategies. Which of the following does this situation best demonstrate? Citizen science, Crowdfunding, Open data, Machine Learning

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Open data

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Which of the following works best when you want to visualize one column with few values? Histograms, Scatter Plot, Bar Charts, Crosstab

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Bar Charts

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Which of the following works best when you want to visualize multiple columns with many values? Histograms, Scatter Plot, Bar Charts, Crosstab

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Scatter Plot