The National Health and Nutrition Examination Survey (NHANES) began in the early 1960s as a series of studies to monitor the health and nutritional status of children and adults in the United States. Table 2 (below) contains a subsample of data from the 2019-2020 cycle. Table 2. Subsample of participants (n=10) of the National Health and Nutrition Examination Survey (NHANES) 2019-2020 Participant ID Age (years) BMI (kg/m2) Vegetables/day 1 45 24 2 2 57 32 1 3 32 20 3 4 69 29 1 5 41 25 1 6 53 31 0 7 64 34 1 8 29 25 0 9 50 27 1 10 48 21 2 What is the standard deviation of BMI for this sample