A Group of 10 Students Participated in a Study of Nutritional

question 9

Multiple Choice

A group of 10 students participated in a study of nutritional awareness.What is the sample variance of their scores?
20,19,22,20,15,18,15,21,19,20

• A)2.21
• B)2.33
• C)4.89
• D)5.43

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