Fill in the blanks below to calculate the standard deviation for this data set: 66 73 77 (Report answer accurate to at l
Posted: Wed Jul 06, 2022 12:14 pm
Fill in the blanks below to calculate the standard deviation for this data set: 66 73 77 (Report answer accurate to at least 2 decimal places.) Calculate the mean: = 72 Next, calculate the deviations and the squared deviations: Scores Deviation Score X₁ - X X₁ 66 73 Find the variance: Var = 77 -150 SS n-1 -143 -139 2 Find the sums of squares: SS = (x₁ - x)² = = 31 Find the standard deviation: SD = √Var X 5.57 X X Squared Deviation (x₁ - x)² 2 216 0 -22500 -20449 -19321 X X X