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4. The data below are the number of text messages sent from a sample of 20 students during a recent school day. 125,10.95.41,10,80,5,0,45,20,60,25,53,123,25,5,50,82,65 a. Give the population mean (use calculator). b. Show the correct population standard deviation formula and find the population standard deviationlfrom calculator). c. What is the 5 number summary for the text messages? Min Q1 Med Max d. Are there any outliers?(Show work) e. Draw the Box plot