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QUESTION 13 ..... [2 marks] You select a sample of 20 kids in the Wenatchee Valley Kindergarten and observe that their ages are 9: 9.5; 9.5; 10; 10; 10; 10; 10.5; 10.5; 10.5; 10.5; 11; 11; 11; 11; 11; 11; 11,5; 11,5; 11.5 Find the sample standard deviation of the age distribution in in the Wenatchee Valley Kindergarten. Solution. Please write your detailed solution here: Please write in the box The sample standard deviation =