Statistics for Data Science I, Quiz 1 important questions

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According to a news report, Facebook is partnering with external researchers from political science and social media to examine the impact of social networking sites on society during the 2020 U.S. Presidential elections. Between 200,000 and 400,000 users are expected to opt in. Which branch of statistics does the above analysis come under?

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• A.

  Inferential statistics

• B.

  Descriptive statistics

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According to a news report, Facebook is partnering with external researchers from political science and social media to examine the impact of social networking sites on society during the 2020 U.S. Presidential elections. Between 200,000 and 400,000 users are expected to opt in. Which branch of statistics does the above analysis come under? Choose the correct statements about descriptive statistics (more than one can be correct). The values of temperature and relative humidity of a room are measured for 24 hours, starting at 9 AM, at a time interval of 30 minutes. The first few hours of the data are shown below. Time Temp (°C) Humidity (%) 9:00 AM 27 30 9:30 AM 29 30 10:00 AM 31 32 10:30 AM 31 35 11:00 AM 35 35 11:30 AM 36 46 12:00 PM 38 47 12:30 PM 39 50 1:00 PM 38 51 1:30 PM 38 53 2:00 PM 35 54 2:30 PM 31 55 3:00 PM 31 57 3:30 PM 29 58 4:00 PM 28 60 What are the case(s) and variable(s)?