#### The Scenario The amount of time spent daily on communication with friends by people ages '15 to 24 was collected pre-pandemic and post pandemic

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# The Scenario The amount of time spent daily on communication with friends by people ages '15 to 24 was collected pre-pandemic and post pandemic. The numerical summaries of the datasets are below. Use the information in the numerical summaries to answer the questions below. Pre-pandemic, May through December 2019. average daily minutes spent communication with friends via texting, phone calls and video chats N Min Q1 Median Q3 Max Mean St. Dev 44,328 3.44 5.22 6.78 9.25 49.29 7.86 2.57 Post pandemic, May through December 2020, average daily minutes spent communication with friends via texting. phone calls and video chats N Min Q1 Median Q3 Max Mean St Dev 44,328 2.23 6.25 9.23 11.56 29.29 9.86 2.27 The Questions '1. What is the maximum a person could spend daily communicating with friends preApandemic and still be less than 25% ofall the other people's average daily communication that year? 2. The dataset for PreApandemic, May through December 2019. average daily minutes spent communication with friends via texting. phone calls and video chats has a Q1 of 5.22. Explain what this means in terms of the average daily commucation with friends in minutes of the 44, 328 people in the dataset. 3. Does the dataset for Post pandemic, May through December 2020, average daily minutes spent communication with friends via texting, phone calls and video chats appear to be symmetrical or skewed? Use statistical evidence from the numerical summary to justify your answer. 4. What would happen to the mean of the dataset if an additional point was added at or greater than the maximum value? Why? 5. What would happen to the standard deviation of the dataset if an additional point was added at or less than the minimum value? Why? 6. Which of these datasets appears to be more skewed? Use a statistical analysis to justify your answer. Edit View Insert Format Tools Table 12ptv ParagraphVI B I U iv £v Tzvl 09v av Ed's!&quot; @v' E a [\$5 I Ev EEV g

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