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3 Credit Data for Assignment 2 (Excel File) - MATH1060 & STAT1060 - Intro Stat Science & Health Sc (Sec 1). GIUvalla FUTILEIKU Y (SLUCI) SIMI/ PIAIN LVVV - Messages Courses neip LuyouL Summer 2021 Main Menu Contents Grades Course Contents Timer Notes Evaluate Feedback Print Info Flows in the Credit River in Mississauga are given in the file 'credit_data_for_assignment2.Rmd'. This file is found in the Data (for assignments and Tutorial Assessments) module on Brightspace. 1) For each of the three months (April, February and August), calculate the number of observations that lie within one standard deviation of the mean. For which of the months, does it agree approximately with the value from the empirical rule of 68%. OFebrury April O August Submit Answer Tries 0/1 2) Which of the three months has the largest standard deviation? August April O Februry Submit Answer Tries 0/1 3) Make boxplots of each of the three months. Which of the three months has no outliers? OFeburary O April August Submit Answer Tries 0/1 4) A political scientist wants to know how college students feel about the social security system. She obtains a list of the 3456 students at her college and mails a questionnaire to 250 students selected at random. Only 104 questionnaires are returned. What was the sample size? 104 3456 250 Submit Answer Tries 0/1