Suppose that a researcher wants to study how many books adults in Torrance, CA read per...

 

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Suppose that a researcher wants to study how many books adults in Torrance, CA read per year. To do this they visit the Torrance public library and ask a friendly looking people, "How many books have you read in the past year?". You get responses from 15 adults and you get the following data: 3,3,5,8,9,10,12,14,15,19,20,26,32,33,50 (Note: Each value is the number of books read) (a) What sampling technique was used here? (b) Calculate the mean, median and standard deviation of this sample. Make sure to include units. (c) Give the 5-number summary for this data set. Make sure to include units. (d) What percent of your sample said they read less than 30 books in the last year? (e) Draw a box plot for this data set. Describe the shape of the box plot. (f) Are there any outliers in this data set? Make sure to show your work. Suppose that a researcher wants to study how many books adults in Torrance, CA read per year. To do this they visit the Torrance public library and ask a friendly looking people, "How many books have you read in the past year?". You get responses from 15 adults and you get the following data: 3,3,5,8,9,10,12,14,15,19,20,26,32,33,50 (Note: Each value is the number of books read) (a) What sampling technique was used here? (b) Calculate the mean, median and standard deviation of this sample. Make sure to include units. (c) Give the 5-number summary for this data set. Make sure to include units. (d) What percent of your sample said they read less than 30 books in the last year? (e) Draw a box plot for this data set. Describe the shape of the box plot. (f) Are there any outliers in this data set? Make sure to show your work.