The following are the shoe sizes (inches) of 20 female students in SMU Senior High School: 6.4 7 8.1 5.8 7.5 9. 8.5 7.2 6.9 6.75 9.15 6.2 8.1 7.17 5.76 8.1 7.6 6.2 7.45 What is the shoe size of the students? (Input the NUMBER ONLY, no other characters or units should be included, use 2 decimal places if the answer is in decimal form) Your answer What is the variance? (Input the NUMBER ONLY, no other characters or units should be included, use 2 decimal places if the answer is in decimal form) Your answer What is the standard deviation? (Input the NUMBER ONLY, no other characters or units should be included, use 2 decimal places if the answer is in decimal form) Your answer

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